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Finding the Third Proportional to 86,579.25 and 129,523.50

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Solution

The third proportional to 86,579.25 and 129,523.50 is: 193,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579.25 : 129,523.50 = 129,523.50 : x
  2. Step 2: Convert to fraction form
    86,579.25/129,523.50 = 129,523.50/x
  3. Step 3: Cross multiply
    86,579.25x = 129,523.50 × 129,523.50
  4. Step 4: Simplify right side
    86,579.25x = 16,776,337,052.25
  5. Step 5: Solve for x
    x = 16,776,337,052.25/86,579.25
  6. Step 6: Final answer
    x = 193,768.57

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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.