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Finding the Third Proportional to 15,750 and 31,962

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Solution

The third proportional to 15,750 and 31,962 is: 64,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750 : 31,962 = 31,962 : x
  2. Step 2: Convert to fraction form
    15,750/31,962 = 31,962/x
  3. Step 3: Cross multiply
    15,750x = 31,962 × 31,962
  4. Step 4: Simplify right side
    15,750x = 1,021,569,444
  5. Step 5: Solve for x
    x = 1,021,569,444/15,750
  6. Step 6: Final answer
    x = 64,861.55

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.