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Finding the Third Proportional to 19,217 and 24,555

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Solution

The third proportional to 19,217 and 24,555 is: 31,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217 : 24,555 = 24,555 : x
  2. Step 2: Convert to fraction form
    19,217/24,555 = 24,555/x
  3. Step 3: Cross multiply
    19,217x = 24,555 × 24,555
  4. Step 4: Simplify right side
    19,217x = 602,948,025
  5. Step 5: Solve for x
    x = 602,948,025/19,217
  6. Step 6: Final answer
    x = 31,375.76

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.