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Finding the Third Proportional to 87,453.50 and 135,045

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Solution

The third proportional to 87,453.50 and 135,045 is: 208,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,453.50 : 135,045 = 135,045 : x
  2. Step 2: Convert to fraction form
    87,453.50/135,045 = 135,045/x
  3. Step 3: Cross multiply
    87,453.50x = 135,045 × 135,045
  4. Step 4: Simplify right side
    87,453.50x = 18,237,152,025
  5. Step 5: Solve for x
    x = 18,237,152,025/87,453.50
  6. Step 6: Final answer
    x = 208,535.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.