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Finding the Third Proportional to 28,776.75 and 43,765.13

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Solution

The third proportional to 28,776.75 and 43,765.13 is: 66,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.75 : 43,765.13 = 43,765.13 : x
  2. Step 2: Convert to fraction form
    28,776.75/43,765.13 = 43,765.13/x
  3. Step 3: Cross multiply
    28,776.75x = 43,765.13 × 43,765.13
  4. Step 4: Simplify right side
    28,776.75x = 1,915,386,166.27
  5. Step 5: Solve for x
    x = 1,915,386,166.27/28,776.75
  6. Step 6: Final answer
    x = 66,560.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.