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Finding the Third Proportional to 129,314,695.50 and 282,331,989

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Solution

The third proportional to 129,314,695.50 and 282,331,989 is: 616,413,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,314,695.50 : 282,331,989 = 282,331,989 : x
  2. Step 2: Convert to fraction form
    129,314,695.50/282,331,989 = 282,331,989/x
  3. Step 3: Cross multiply
    129,314,695.50x = 282,331,989 × 282,331,989
  4. Step 4: Simplify right side
    129,314,695.50x = 79,711,352,012,696,128
  5. Step 5: Solve for x
    x = 79,711,352,012,696,128/129,314,695.50
  6. Step 6: Final answer
    x = 616,413,716.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.