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Finding the Third Proportional to 213,612.75 and 332,083.13

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Solution

The third proportional to 213,612.75 and 332,083.13 is: 516,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,612.75 : 332,083.13 = 332,083.13 : x
  2. Step 2: Convert to fraction form
    213,612.75/332,083.13 = 332,083.13/x
  3. Step 3: Cross multiply
    213,612.75x = 332,083.13 × 332,083.13
  4. Step 4: Simplify right side
    213,612.75x = 110,279,201,909.77
  5. Step 5: Solve for x
    x = 110,279,201,909.77/213,612.75
  6. Step 6: Final answer
    x = 516,257.58

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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.