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Finding the Third Proportional to 38,986 and 84,559

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Solution

The third proportional to 38,986 and 84,559 is: 183,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986 : 84,559 = 84,559 : x
  2. Step 2: Convert to fraction form
    38,986/84,559 = 84,559/x
  3. Step 3: Cross multiply
    38,986x = 84,559 × 84,559
  4. Step 4: Simplify right side
    38,986x = 7,150,224,481
  5. Step 5: Solve for x
    x = 7,150,224,481/38,986
  6. Step 6: Final answer
    x = 183,404.93

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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.