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Finding the Third Proportional to 66,748 and 155,204

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Solution

The third proportional to 66,748 and 155,204 is: 360,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,748 : 155,204 = 155,204 : x
  2. Step 2: Convert to fraction form
    66,748/155,204 = 155,204/x
  3. Step 3: Cross multiply
    66,748x = 155,204 × 155,204
  4. Step 4: Simplify right side
    66,748x = 24,088,281,616
  5. Step 5: Solve for x
    x = 24,088,281,616/66,748
  6. Step 6: Final answer
    x = 360,883.95

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.