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Finding the Third Proportional to 14,876 and 17,612

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Solution

The third proportional to 14,876 and 17,612 is: 20,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876 : 17,612 = 17,612 : x
  2. Step 2: Convert to fraction form
    14,876/17,612 = 17,612/x
  3. Step 3: Cross multiply
    14,876x = 17,612 × 17,612
  4. Step 4: Simplify right side
    14,876x = 310,182,544
  5. Step 5: Solve for x
    x = 310,182,544/14,876
  6. Step 6: Final answer
    x = 20,851.21

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.