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Finding the Third Proportional to 10,375 and 15,563

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Solution

The third proportional to 10,375 and 15,563 is: 23,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375 : 15,563 = 15,563 : x
  2. Step 2: Convert to fraction form
    10,375/15,563 = 15,563/x
  3. Step 3: Cross multiply
    10,375x = 15,563 × 15,563
  4. Step 4: Simplify right side
    10,375x = 242,206,969
  5. Step 5: Solve for x
    x = 242,206,969/10,375
  6. Step 6: Final answer
    x = 23,345.25

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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.