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Finding the Third Proportional to 2,278.50 and 4,899.75

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Solution

The third proportional to 2,278.50 and 4,899.75 is: 10,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.50 : 4,899.75 = 4,899.75 : x
  2. Step 2: Convert to fraction form
    2,278.50/4,899.75 = 4,899.75/x
  3. Step 3: Cross multiply
    2,278.50x = 4,899.75 × 4,899.75
  4. Step 4: Simplify right side
    2,278.50x = 24,007,550.06
  5. Step 5: Solve for x
    x = 24,007,550.06/2,278.50
  6. Step 6: Final answer
    x = 10,536.56

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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.