Home / 30,813-47,578

Finding the Third Proportional to 30,813 and 47,578

Calculator

Solution

The third proportional to 30,813 and 47,578 is: 73,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813 : 47,578 = 47,578 : x
  2. Step 2: Convert to fraction form
    30,813/47,578 = 47,578/x
  3. Step 3: Cross multiply
    30,813x = 47,578 × 47,578
  4. Step 4: Simplify right side
    30,813x = 2,263,666,084
  5. Step 5: Solve for x
    x = 2,263,666,084/30,813
  6. Step 6: Final answer
    x = 73,464.64

Related Problems

Find third proportional to 15,406.50 and 23,789
Half scale
Find third proportional to 61,626 and 95,156
Double scale
Find third proportional to 30,815 and 47,581
Similar ratio
Find third proportional to 46,219.50 and 71,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.