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Finding the Third Proportional to 18,868.57 and 24,521.17

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Solution

The third proportional to 18,868.57 and 24,521.17 is: 31,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.57 : 24,521.17 = 24,521.17 : x
  2. Step 2: Convert to fraction form
    18,868.57/24,521.17 = 24,521.17/x
  3. Step 3: Cross multiply
    18,868.57x = 24,521.17 × 24,521.17
  4. Step 4: Simplify right side
    18,868.57x = 601,287,678.55
  5. Step 5: Solve for x
    x = 601,287,678.55/18,868.57
  6. Step 6: Final answer
    x = 31,867.16

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.