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Finding the Third Proportional to 40,000 and 87,532

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Solution

The third proportional to 40,000 and 87,532 is: 191,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000 : 87,532 = 87,532 : x
  2. Step 2: Convert to fraction form
    40,000/87,532 = 87,532/x
  3. Step 3: Cross multiply
    40,000x = 87,532 × 87,532
  4. Step 4: Simplify right side
    40,000x = 7,661,851,024
  5. Step 5: Solve for x
    x = 7,661,851,024/40,000
  6. Step 6: Final answer
    x = 191,546.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.