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Finding the Third Proportional to 10,366 and 16,331

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Solution

The third proportional to 10,366 and 16,331 is: 25,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366 : 16,331 = 16,331 : x
  2. Step 2: Convert to fraction form
    10,366/16,331 = 16,331/x
  3. Step 3: Cross multiply
    10,366x = 16,331 × 16,331
  4. Step 4: Simplify right side
    10,366x = 266,701,561
  5. Step 5: Solve for x
    x = 266,701,561/10,366
  6. Step 6: Final answer
    x = 25,728.49

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.