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Finding the Third Proportional to 7,134 and 13,380

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Solution

The third proportional to 7,134 and 13,380 is: 25,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134 : 13,380 = 13,380 : x
  2. Step 2: Convert to fraction form
    7,134/13,380 = 13,380/x
  3. Step 3: Cross multiply
    7,134x = 13,380 × 13,380
  4. Step 4: Simplify right side
    7,134x = 179,024,400
  5. Step 5: Solve for x
    x = 179,024,400/7,134
  6. Step 6: Final answer
    x = 25,094.53

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.