Home / 307,041,438.38-439,072,877.81

Finding the Third Proportional to 307,041,438.38 and 439,072,877.81

Calculator

Solution

The third proportional to 307,041,438.38 and 439,072,877.81 is: 627,879,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,041,438.38 : 439,072,877.81 = 439,072,877.81 : x
  2. Step 2: Convert to fraction form
    307,041,438.38/439,072,877.81 = 439,072,877.81/x
  3. Step 3: Cross multiply
    307,041,438.38x = 439,072,877.81 × 439,072,877.81
  4. Step 4: Simplify right side
    307,041,438.38x = 192,784,992,030,550,560
  5. Step 5: Solve for x
    x = 192,784,992,030,550,560/307,041,438.38
  6. Step 6: Final answer
    x = 627,879,393.25

Related Problems

Find third proportional to 153,520,719.19 and 219,536,438.91
Half scale
Find third proportional to 614,082,876.75 and 878,145,755.63
Double scale
Find third proportional to 307,041,440 and 439,072,881
Similar ratio
Find third proportional to 460,562,157.56 and 658,609,316.72
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.