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Finding the Third Proportional to 124,721,356 and 272,107,160

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Solution

The third proportional to 124,721,356 and 272,107,160 is: 593,661,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,721,356 : 272,107,160 = 272,107,160 : x
  2. Step 2: Convert to fraction form
    124,721,356/272,107,160 = 272,107,160/x
  3. Step 3: Cross multiply
    124,721,356x = 272,107,160 × 272,107,160
  4. Step 4: Simplify right side
    124,721,356x = 74,042,306,523,265,600
  5. Step 5: Solve for x
    x = 74,042,306,523,265,600/124,721,356
  6. Step 6: Final answer
    x = 593,661,814.61

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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.