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Finding the Third Proportional to 120,334.50 and 187,082.75

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Solution

The third proportional to 120,334.50 and 187,082.75 is: 290,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,334.50 : 187,082.75 = 187,082.75 : x
  2. Step 2: Convert to fraction form
    120,334.50/187,082.75 = 187,082.75/x
  3. Step 3: Cross multiply
    120,334.50x = 187,082.75 × 187,082.75
  4. Step 4: Simplify right side
    120,334.50x = 34,999,955,347.56
  5. Step 5: Solve for x
    x = 34,999,955,347.56/120,334.50
  6. Step 6: Final answer
    x = 290,855.53

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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.