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Finding the Third Proportional to 2,868.75 and 3,066.19

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Solution

The third proportional to 2,868.75 and 3,066.19 is: 3,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.75 : 3,066.19 = 3,066.19 : x
  2. Step 2: Convert to fraction form
    2,868.75/3,066.19 = 3,066.19/x
  3. Step 3: Cross multiply
    2,868.75x = 3,066.19 × 3,066.19
  4. Step 4: Simplify right side
    2,868.75x = 9,401,505.79
  5. Step 5: Solve for x
    x = 9,401,505.79/2,868.75
  6. Step 6: Final answer
    x = 3,277.21

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.