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Finding the Third Proportional to 101,568.50 and 220,087

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Solution

The third proportional to 101,568.50 and 220,087 is: 476,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,568.50 : 220,087 = 220,087 : x
  2. Step 2: Convert to fraction form
    101,568.50/220,087 = 220,087/x
  3. Step 3: Cross multiply
    101,568.50x = 220,087 × 220,087
  4. Step 4: Simplify right side
    101,568.50x = 48,438,287,569
  5. Step 5: Solve for x
    x = 48,438,287,569/101,568.50
  6. Step 6: Final answer
    x = 476,902.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.