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Finding the Third Proportional to 40,068 and 53,532

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Solution

The third proportional to 40,068 and 53,532 is: 71,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,068 : 53,532 = 53,532 : x
  2. Step 2: Convert to fraction form
    40,068/53,532 = 53,532/x
  3. Step 3: Cross multiply
    40,068x = 53,532 × 53,532
  4. Step 4: Simplify right side
    40,068x = 2,865,675,024
  5. Step 5: Solve for x
    x = 2,865,675,024/40,068
  6. Step 6: Final answer
    x = 71,520.29

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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.