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Finding the Third Proportional to 4,411.13 and 9,487.13

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Solution

The third proportional to 4,411.13 and 9,487.13 is: 20,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.13 : 9,487.13 = 9,487.13 : x
  2. Step 2: Convert to fraction form
    4,411.13/9,487.13 = 9,487.13/x
  3. Step 3: Cross multiply
    4,411.13x = 9,487.13 × 9,487.13
  4. Step 4: Simplify right side
    4,411.13x = 90,005,540.77
  5. Step 5: Solve for x
    x = 90,005,540.77/4,411.13
  6. Step 6: Final answer
    x = 20,404.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.