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Finding the Third Proportional to 38,920 and 59,352

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Solution

The third proportional to 38,920 and 59,352 is: 90,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920 : 59,352 = 59,352 : x
  2. Step 2: Convert to fraction form
    38,920/59,352 = 59,352/x
  3. Step 3: Cross multiply
    38,920x = 59,352 × 59,352
  4. Step 4: Simplify right side
    38,920x = 3,522,659,904
  5. Step 5: Solve for x
    x = 3,522,659,904/38,920
  6. Step 6: Final answer
    x = 90,510.28

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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.