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Finding the Third Proportional to 15,873,569 and 34,453,186

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Solution

The third proportional to 15,873,569 and 34,453,186 is: 74,779,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873,569 : 34,453,186 = 34,453,186 : x
  2. Step 2: Convert to fraction form
    15,873,569/34,453,186 = 34,453,186/x
  3. Step 3: Cross multiply
    15,873,569x = 34,453,186 × 34,453,186
  4. Step 4: Simplify right side
    15,873,569x = 1,187,022,025,550,596
  5. Step 5: Solve for x
    x = 1,187,022,025,550,596/15,873,569
  6. Step 6: Final answer
    x = 74,779,781.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.