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Finding the Third Proportional to 63,572 and 88,920

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Solution

The third proportional to 63,572 and 88,920 is: 124,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,572 : 88,920 = 88,920 : x
  2. Step 2: Convert to fraction form
    63,572/88,920 = 88,920/x
  3. Step 3: Cross multiply
    63,572x = 88,920 × 88,920
  4. Step 4: Simplify right side
    63,572x = 7,906,766,400
  5. Step 5: Solve for x
    x = 7,906,766,400/63,572
  6. Step 6: Final answer
    x = 124,374.98

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.