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Finding the Third Proportional to 161,203.50 and 250,452

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Solution

The third proportional to 161,203.50 and 250,452 is: 389,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,203.50 : 250,452 = 250,452 : x
  2. Step 2: Convert to fraction form
    161,203.50/250,452 = 250,452/x
  3. Step 3: Cross multiply
    161,203.50x = 250,452 × 250,452
  4. Step 4: Simplify right side
    161,203.50x = 62,726,204,304
  5. Step 5: Solve for x
    x = 62,726,204,304/161,203.50
  6. Step 6: Final answer
    x = 389,111.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.