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Finding the Third Proportional to 5,377 and 7,225

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Solution

The third proportional to 5,377 and 7,225 is: 9,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377 : 7,225 = 7,225 : x
  2. Step 2: Convert to fraction form
    5,377/7,225 = 7,225/x
  3. Step 3: Cross multiply
    5,377x = 7,225 × 7,225
  4. Step 4: Simplify right side
    5,377x = 52,200,625
  5. Step 5: Solve for x
    x = 52,200,625/5,377
  6. Step 6: Final answer
    x = 9,708.13

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.