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Finding the Third Proportional to 87,480.56 and 131,300.44

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Solution

The third proportional to 87,480.56 and 131,300.44 is: 197,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480.56 : 131,300.44 = 131,300.44 : x
  2. Step 2: Convert to fraction form
    87,480.56/131,300.44 = 131,300.44/x
  3. Step 3: Cross multiply
    87,480.56x = 131,300.44 × 131,300.44
  4. Step 4: Simplify right side
    87,480.56x = 17,239,804,887.69
  5. Step 5: Solve for x
    x = 17,239,804,887.69/87,480.56
  6. Step 6: Final answer
    x = 197,070.12

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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.