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Finding the Third Proportional to 121,059,504 and 169,870,474

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Solution

The third proportional to 121,059,504 and 169,870,474 is: 238,361,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,059,504 : 169,870,474 = 169,870,474 : x
  2. Step 2: Convert to fraction form
    121,059,504/169,870,474 = 169,870,474/x
  3. Step 3: Cross multiply
    121,059,504x = 169,870,474 × 169,870,474
  4. Step 4: Simplify right side
    121,059,504x = 28,855,977,936,984,676
  5. Step 5: Solve for x
    x = 28,855,977,936,984,676/121,059,504
  6. Step 6: Final answer
    x = 238,361,937.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.