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Finding the Third Proportional to 8,474,498 and 18,057,684

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Solution

The third proportional to 8,474,498 and 18,057,684 is: 38,477,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,498 : 18,057,684 = 18,057,684 : x
  2. Step 2: Convert to fraction form
    8,474,498/18,057,684 = 18,057,684/x
  3. Step 3: Cross multiply
    8,474,498x = 18,057,684 × 18,057,684
  4. Step 4: Simplify right side
    8,474,498x = 326,079,951,443,856
  5. Step 5: Solve for x
    x = 326,079,951,443,856/8,474,498
  6. Step 6: Final answer
    x = 38,477,789.65

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.