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Finding the Third Proportional to 60,378.75 and 131,145.75

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Solution

The third proportional to 60,378.75 and 131,145.75 is: 284,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,378.75 : 131,145.75 = 131,145.75 : x
  2. Step 2: Convert to fraction form
    60,378.75/131,145.75 = 131,145.75/x
  3. Step 3: Cross multiply
    60,378.75x = 131,145.75 × 131,145.75
  4. Step 4: Simplify right side
    60,378.75x = 17,199,207,743.06
  5. Step 5: Solve for x
    x = 17,199,207,743.06/60,378.75
  6. Step 6: Final answer
    x = 284,855.31

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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.