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Finding the Third Proportional to 13,166 and 28,439

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Solution

The third proportional to 13,166 and 28,439 is: 61,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166 : 28,439 = 28,439 : x
  2. Step 2: Convert to fraction form
    13,166/28,439 = 28,439/x
  3. Step 3: Cross multiply
    13,166x = 28,439 × 28,439
  4. Step 4: Simplify right side
    13,166x = 808,776,721
  5. Step 5: Solve for x
    x = 808,776,721/13,166
  6. Step 6: Final answer
    x = 61,429.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.