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Finding the Third Proportional to 220,645.13 and 330,671.25

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Solution

The third proportional to 220,645.13 and 330,671.25 is: 495,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,645.13 : 330,671.25 = 330,671.25 : x
  2. Step 2: Convert to fraction form
    220,645.13/330,671.25 = 330,671.25/x
  3. Step 3: Cross multiply
    220,645.13x = 330,671.25 × 330,671.25
  4. Step 4: Simplify right side
    220,645.13x = 109,343,475,576.56
  5. Step 5: Solve for x
    x = 109,343,475,576.56/220,645.13
  6. Step 6: Final answer
    x = 495,562.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.