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Finding the Third Proportional to 15,919,649 and 25,248,711

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Solution

The third proportional to 15,919,649 and 25,248,711 is: 40,044,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,649 : 25,248,711 = 25,248,711 : x
  2. Step 2: Convert to fraction form
    15,919,649/25,248,711 = 25,248,711/x
  3. Step 3: Cross multiply
    15,919,649x = 25,248,711 × 25,248,711
  4. Step 4: Simplify right side
    15,919,649x = 637,497,407,161,521
  5. Step 5: Solve for x
    x = 637,497,407,161,521/15,919,649
  6. Step 6: Final answer
    x = 40,044,689.88

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.