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Finding the Third Proportional to 13,376 and 28,132

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Solution

The third proportional to 13,376 and 28,132 is: 59,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376 : 28,132 = 28,132 : x
  2. Step 2: Convert to fraction form
    13,376/28,132 = 28,132/x
  3. Step 3: Cross multiply
    13,376x = 28,132 × 28,132
  4. Step 4: Simplify right side
    13,376x = 791,409,424
  5. Step 5: Solve for x
    x = 791,409,424/13,376
  6. Step 6: Final answer
    x = 59,166.37

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.