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Finding the Third Proportional to 28,616.75 and 43,775.75

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Solution

The third proportional to 28,616.75 and 43,775.75 is: 66,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.75 : 43,775.75 = 43,775.75 : x
  2. Step 2: Convert to fraction form
    28,616.75/43,775.75 = 43,775.75/x
  3. Step 3: Cross multiply
    28,616.75x = 43,775.75 × 43,775.75
  4. Step 4: Simplify right side
    28,616.75x = 1,916,316,288.06
  5. Step 5: Solve for x
    x = 1,916,316,288.06/28,616.75
  6. Step 6: Final answer
    x = 66,964.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.