Home / 307,772-491,672

Finding the Third Proportional to 307,772 and 491,672

Calculator

Solution

The third proportional to 307,772 and 491,672 is: 785,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,772 : 491,672 = 491,672 : x
  2. Step 2: Convert to fraction form
    307,772/491,672 = 491,672/x
  3. Step 3: Cross multiply
    307,772x = 491,672 × 491,672
  4. Step 4: Simplify right side
    307,772x = 241,741,355,584
  5. Step 5: Solve for x
    x = 241,741,355,584/307,772
  6. Step 6: Final answer
    x = 785,455.97

Related Problems

Find third proportional to 153,886 and 245,836
Half scale
Find third proportional to 615,544 and 983,344
Double scale
Find third proportional to 307,774 and 491,675
Similar ratio
Find third proportional to 461,658 and 737,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.