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Finding the Third Proportional to 10,154 and 11,612

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Solution

The third proportional to 10,154 and 11,612 is: 13,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154 : 11,612 = 11,612 : x
  2. Step 2: Convert to fraction form
    10,154/11,612 = 11,612/x
  3. Step 3: Cross multiply
    10,154x = 11,612 × 11,612
  4. Step 4: Simplify right side
    10,154x = 134,838,544
  5. Step 5: Solve for x
    x = 134,838,544/10,154
  6. Step 6: Final answer
    x = 13,279.35

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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.