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Finding the Third Proportional to 61,569.09 and 132,961.69

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Solution

The third proportional to 61,569.09 and 132,961.69 is: 287,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,569.09 : 132,961.69 = 132,961.69 : x
  2. Step 2: Convert to fraction form
    61,569.09/132,961.69 = 132,961.69/x
  3. Step 3: Cross multiply
    61,569.09x = 132,961.69 × 132,961.69
  4. Step 4: Simplify right side
    61,569.09x = 17,678,810,342.85
  5. Step 5: Solve for x
    x = 17,678,810,342.85/61,569.09
  6. Step 6: Final answer
    x = 287,137.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.