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Finding the Third Proportional to 2,528 and 2,762

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Solution

The third proportional to 2,528 and 2,762 is: 3,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528 : 2,762 = 2,762 : x
  2. Step 2: Convert to fraction form
    2,528/2,762 = 2,762/x
  3. Step 3: Cross multiply
    2,528x = 2,762 × 2,762
  4. Step 4: Simplify right side
    2,528x = 7,628,644
  5. Step 5: Solve for x
    x = 7,628,644/2,528
  6. Step 6: Final answer
    x = 3,017.66

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.