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Finding the Third Proportional to 83,540 and 183,620

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Solution

The third proportional to 83,540 and 183,620 is: 403,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,540 : 183,620 = 183,620 : x
  2. Step 2: Convert to fraction form
    83,540/183,620 = 183,620/x
  3. Step 3: Cross multiply
    83,540x = 183,620 × 183,620
  4. Step 4: Simplify right side
    83,540x = 33,716,304,400
  5. Step 5: Solve for x
    x = 33,716,304,400/83,540
  6. Step 6: Final answer
    x = 403,594.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.