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Finding the Third Proportional to 40,419 and 88,180

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Solution

The third proportional to 40,419 and 88,180 is: 192,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419 : 88,180 = 88,180 : x
  2. Step 2: Convert to fraction form
    40,419/88,180 = 88,180/x
  3. Step 3: Cross multiply
    40,419x = 88,180 × 88,180
  4. Step 4: Simplify right side
    40,419x = 7,775,712,400
  5. Step 5: Solve for x
    x = 7,775,712,400/40,419
  6. Step 6: Final answer
    x = 192,377.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.