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Finding the Third Proportional to 15,672,780 and 36,877,117

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Solution

The third proportional to 15,672,780 and 36,877,117 is: 86,769,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,780 : 36,877,117 = 36,877,117 : x
  2. Step 2: Convert to fraction form
    15,672,780/36,877,117 = 36,877,117/x
  3. Step 3: Cross multiply
    15,672,780x = 36,877,117 × 36,877,117
  4. Step 4: Simplify right side
    15,672,780x = 1,359,921,758,231,689
  5. Step 5: Solve for x
    x = 1,359,921,758,231,689/15,672,780
  6. Step 6: Final answer
    x = 86,769,657.85

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.