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Finding the Third Proportional to 5,987,421 and 9,381,691

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Solution

The third proportional to 5,987,421 and 9,381,691 is: 14,700,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,421 : 9,381,691 = 9,381,691 : x
  2. Step 2: Convert to fraction form
    5,987,421/9,381,691 = 9,381,691/x
  3. Step 3: Cross multiply
    5,987,421x = 9,381,691 × 9,381,691
  4. Step 4: Simplify right side
    5,987,421x = 88,016,126,019,481
  5. Step 5: Solve for x
    x = 88,016,126,019,481/5,987,421
  6. Step 6: Final answer
    x = 14,700,173.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.