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Finding the Third Proportional to 83,189.50 and 124,743.75

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Solution

The third proportional to 83,189.50 and 124,743.75 is: 187,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,189.50 : 124,743.75 = 124,743.75 : x
  2. Step 2: Convert to fraction form
    83,189.50/124,743.75 = 124,743.75/x
  3. Step 3: Cross multiply
    83,189.50x = 124,743.75 × 124,743.75
  4. Step 4: Simplify right side
    83,189.50x = 15,561,003,164.06
  5. Step 5: Solve for x
    x = 15,561,003,164.06/83,189.50
  6. Step 6: Final answer
    x = 187,054.89

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Why These Related Problems?

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