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Finding the Third Proportional to 13,291,882 and 19,915,715

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Solution

The third proportional to 13,291,882 and 19,915,715 is: 29,840,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,882 : 19,915,715 = 19,915,715 : x
  2. Step 2: Convert to fraction form
    13,291,882/19,915,715 = 19,915,715/x
  3. Step 3: Cross multiply
    13,291,882x = 19,915,715 × 19,915,715
  4. Step 4: Simplify right side
    13,291,882x = 396,635,703,961,225
  5. Step 5: Solve for x
    x = 396,635,703,961,225/13,291,882
  6. Step 6: Final answer
    x = 29,840,447.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.