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Finding the Third Proportional to 121,552 and 252,792

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Solution

The third proportional to 121,552 and 252,792 is: 525,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,552 : 252,792 = 252,792 : x
  2. Step 2: Convert to fraction form
    121,552/252,792 = 252,792/x
  3. Step 3: Cross multiply
    121,552x = 252,792 × 252,792
  4. Step 4: Simplify right side
    121,552x = 63,903,795,264
  5. Step 5: Solve for x
    x = 63,903,795,264/121,552
  6. Step 6: Final answer
    x = 525,732.16

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.