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Finding the Third Proportional to 61,555.50 and 132,525

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Solution

The third proportional to 61,555.50 and 132,525 is: 285,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.50 : 132,525 = 132,525 : x
  2. Step 2: Convert to fraction form
    61,555.50/132,525 = 132,525/x
  3. Step 3: Cross multiply
    61,555.50x = 132,525 × 132,525
  4. Step 4: Simplify right side
    61,555.50x = 17,562,875,625
  5. Step 5: Solve for x
    x = 17,562,875,625/61,555.50
  6. Step 6: Final answer
    x = 285,317.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.