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Finding the Third Proportional to 15,951,574 and 34,790,474

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Solution

The third proportional to 15,951,574 and 34,790,474 is: 75,878,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951,574 : 34,790,474 = 34,790,474 : x
  2. Step 2: Convert to fraction form
    15,951,574/34,790,474 = 34,790,474/x
  3. Step 3: Cross multiply
    15,951,574x = 34,790,474 × 34,790,474
  4. Step 4: Simplify right side
    15,951,574x = 1,210,377,081,144,676
  5. Step 5: Solve for x
    x = 1,210,377,081,144,676/15,951,574
  6. Step 6: Final answer
    x = 75,878,222.50

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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.