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Finding the Third Proportional to 87,033.75 and 117,427.50

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Solution

The third proportional to 87,033.75 and 117,427.50 is: 158,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,033.75 : 117,427.50 = 117,427.50 : x
  2. Step 2: Convert to fraction form
    87,033.75/117,427.50 = 117,427.50/x
  3. Step 3: Cross multiply
    87,033.75x = 117,427.50 × 117,427.50
  4. Step 4: Simplify right side
    87,033.75x = 13,789,217,756.25
  5. Step 5: Solve for x
    x = 13,789,217,756.25/87,033.75
  6. Step 6: Final answer
    x = 158,435.29

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.