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Finding the Third Proportional to 66,612.38 and 146,346.75

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Solution

The third proportional to 66,612.38 and 146,346.75 is: 321,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612.38 : 146,346.75 = 146,346.75 : x
  2. Step 2: Convert to fraction form
    66,612.38/146,346.75 = 146,346.75/x
  3. Step 3: Cross multiply
    66,612.38x = 146,346.75 × 146,346.75
  4. Step 4: Simplify right side
    66,612.38x = 21,417,371,235.56
  5. Step 5: Solve for x
    x = 21,417,371,235.56/66,612.38
  6. Step 6: Final answer
    x = 321,522.41

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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.