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Finding the Third Proportional to 14,375 and 21,581

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Solution

The third proportional to 14,375 and 21,581 is: 32,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375 : 21,581 = 21,581 : x
  2. Step 2: Convert to fraction form
    14,375/21,581 = 21,581/x
  3. Step 3: Cross multiply
    14,375x = 21,581 × 21,581
  4. Step 4: Simplify right side
    14,375x = 465,739,561
  5. Step 5: Solve for x
    x = 465,739,561/14,375
  6. Step 6: Final answer
    x = 32,399.27

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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.