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Finding the Third Proportional to 3,320 and 5,060

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Solution

The third proportional to 3,320 and 5,060 is: 7,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320 : 5,060 = 5,060 : x
  2. Step 2: Convert to fraction form
    3,320/5,060 = 5,060/x
  3. Step 3: Cross multiply
    3,320x = 5,060 × 5,060
  4. Step 4: Simplify right side
    3,320x = 25,603,600
  5. Step 5: Solve for x
    x = 25,603,600/3,320
  6. Step 6: Final answer
    x = 7,711.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.