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Finding the Third Proportional to 57,255.75 and 87,585.75

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Solution

The third proportional to 57,255.75 and 87,585.75 is: 133,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.75 : 87,585.75 = 87,585.75 : x
  2. Step 2: Convert to fraction form
    57,255.75/87,585.75 = 87,585.75/x
  3. Step 3: Cross multiply
    57,255.75x = 87,585.75 × 87,585.75
  4. Step 4: Simplify right side
    57,255.75x = 7,671,263,603.06
  5. Step 5: Solve for x
    x = 7,671,263,603.06/57,255.75
  6. Step 6: Final answer
    x = 133,982.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.