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Finding the Third Proportional to 10,649,115 and 15,228,359

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Solution

The third proportional to 10,649,115 and 15,228,359 is: 21,776,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,115 : 15,228,359 = 15,228,359 : x
  2. Step 2: Convert to fraction form
    10,649,115/15,228,359 = 15,228,359/x
  3. Step 3: Cross multiply
    10,649,115x = 15,228,359 × 15,228,359
  4. Step 4: Simplify right side
    10,649,115x = 231,902,917,832,881
  5. Step 5: Solve for x
    x = 231,902,917,832,881/10,649,115
  6. Step 6: Final answer
    x = 21,776,731.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.