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Finding the Third Proportional to 28,488.75 and 61,357.75

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Solution

The third proportional to 28,488.75 and 61,357.75 is: 132,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.75 : 61,357.75 = 61,357.75 : x
  2. Step 2: Convert to fraction form
    28,488.75/61,357.75 = 61,357.75/x
  3. Step 3: Cross multiply
    28,488.75x = 61,357.75 × 61,357.75
  4. Step 4: Simplify right side
    28,488.75x = 3,764,773,485.06
  5. Step 5: Solve for x
    x = 3,764,773,485.06/28,488.75
  6. Step 6: Final answer
    x = 132,149.48

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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.