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Finding the Third Proportional to 10,908 and 16,581

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Solution

The third proportional to 10,908 and 16,581 is: 25,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908 : 16,581 = 16,581 : x
  2. Step 2: Convert to fraction form
    10,908/16,581 = 16,581/x
  3. Step 3: Cross multiply
    10,908x = 16,581 × 16,581
  4. Step 4: Simplify right side
    10,908x = 274,929,561
  5. Step 5: Solve for x
    x = 274,929,561/10,908
  6. Step 6: Final answer
    x = 25,204.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.