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Finding the Third Proportional to 10,263 and 11,715

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Solution

The third proportional to 10,263 and 11,715 is: 13,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263 : 11,715 = 11,715 : x
  2. Step 2: Convert to fraction form
    10,263/11,715 = 11,715/x
  3. Step 3: Cross multiply
    10,263x = 11,715 × 11,715
  4. Step 4: Simplify right side
    10,263x = 137,241,225
  5. Step 5: Solve for x
    x = 137,241,225/10,263
  6. Step 6: Final answer
    x = 13,372.43

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.