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Finding the Third Proportional to 57,328.50 and 86,859.75

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Solution

The third proportional to 57,328.50 and 86,859.75 is: 131,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.50 : 86,859.75 = 86,859.75 : x
  2. Step 2: Convert to fraction form
    57,328.50/86,859.75 = 86,859.75/x
  3. Step 3: Cross multiply
    57,328.50x = 86,859.75 × 86,859.75
  4. Step 4: Simplify right side
    57,328.50x = 7,544,616,170.06
  5. Step 5: Solve for x
    x = 7,544,616,170.06/57,328.50
  6. Step 6: Final answer
    x = 131,603.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.