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Finding the Third Proportional to 60,328.13 and 90,375.75

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Solution

The third proportional to 60,328.13 and 90,375.75 is: 135,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,328.13 : 90,375.75 = 90,375.75 : x
  2. Step 2: Convert to fraction form
    60,328.13/90,375.75 = 90,375.75/x
  3. Step 3: Cross multiply
    60,328.13x = 90,375.75 × 90,375.75
  4. Step 4: Simplify right side
    60,328.13x = 8,167,776,188.06
  5. Step 5: Solve for x
    x = 8,167,776,188.06/60,328.13
  6. Step 6: Final answer
    x = 135,389.19

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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.