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Finding the Third Proportional to 9,154.13 and 13,731.19

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Solution

The third proportional to 9,154.13 and 13,731.19 is: 20,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.13 : 13,731.19 = 13,731.19 : x
  2. Step 2: Convert to fraction form
    9,154.13/13,731.19 = 13,731.19/x
  3. Step 3: Cross multiply
    9,154.13x = 13,731.19 × 13,731.19
  4. Step 4: Simplify right side
    9,154.13x = 188,545,510.16
  5. Step 5: Solve for x
    x = 188,545,510.16/9,154.13
  6. Step 6: Final answer
    x = 20,596.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.