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Finding the Third Proportional to 61,661.25 and 132,674.63

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Solution

The third proportional to 61,661.25 and 132,674.63 is: 285,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,661.25 : 132,674.63 = 132,674.63 : x
  2. Step 2: Convert to fraction form
    61,661.25/132,674.63 = 132,674.63/x
  3. Step 3: Cross multiply
    61,661.25x = 132,674.63 × 132,674.63
  4. Step 4: Simplify right side
    61,661.25x = 17,602,556,118.89
  5. Step 5: Solve for x
    x = 17,602,556,118.89/61,661.25
  6. Step 6: Final answer
    x = 285,471.93

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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.