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Finding the Third Proportional to 2,810.25 and 4,342.13

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Solution

The third proportional to 2,810.25 and 4,342.13 is: 6,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.25 : 4,342.13 = 4,342.13 : x
  2. Step 2: Convert to fraction form
    2,810.25/4,342.13 = 4,342.13/x
  3. Step 3: Cross multiply
    2,810.25x = 4,342.13 × 4,342.13
  4. Step 4: Simplify right side
    2,810.25x = 18,854,049.52
  5. Step 5: Solve for x
    x = 18,854,049.52/2,810.25
  6. Step 6: Final answer
    x = 6,709.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.