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Finding the Third Proportional to 8,516,425.50 and 18,681,654

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Solution

The third proportional to 8,516,425.50 and 18,681,654 is: 40,980,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,425.50 : 18,681,654 = 18,681,654 : x
  2. Step 2: Convert to fraction form
    8,516,425.50/18,681,654 = 18,681,654/x
  3. Step 3: Cross multiply
    8,516,425.50x = 18,681,654 × 18,681,654
  4. Step 4: Simplify right side
    8,516,425.50x = 349,004,196,175,716
  5. Step 5: Solve for x
    x = 349,004,196,175,716/8,516,425.50
  6. Step 6: Final answer
    x = 40,980,126.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.