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Finding the Third Proportional to 2,544 and 2,820

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Solution

The third proportional to 2,544 and 2,820 is: 3,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544 : 2,820 = 2,820 : x
  2. Step 2: Convert to fraction form
    2,544/2,820 = 2,820/x
  3. Step 3: Cross multiply
    2,544x = 2,820 × 2,820
  4. Step 4: Simplify right side
    2,544x = 7,952,400
  5. Step 5: Solve for x
    x = 7,952,400/2,544
  6. Step 6: Final answer
    x = 3,125.94

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.