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Finding the Third Proportional to 28,765.13 and 61,661.25

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Solution

The third proportional to 28,765.13 and 61,661.25 is: 132,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.13 : 61,661.25 = 61,661.25 : x
  2. Step 2: Convert to fraction form
    28,765.13/61,661.25 = 61,661.25/x
  3. Step 3: Cross multiply
    28,765.13x = 61,661.25 × 61,661.25
  4. Step 4: Simplify right side
    28,765.13x = 3,802,109,751.56
  5. Step 5: Solve for x
    x = 3,802,109,751.56/28,765.13
  6. Step 6: Final answer
    x = 132,177.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.