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Finding the Third Proportional to 867,872 and 1,343,675

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Solution

The third proportional to 867,872 and 1,343,675 is: 2,080,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,872 : 1,343,675 = 1,343,675 : x
  2. Step 2: Convert to fraction form
    867,872/1,343,675 = 1,343,675/x
  3. Step 3: Cross multiply
    867,872x = 1,343,675 × 1,343,675
  4. Step 4: Simplify right side
    867,872x = 1,805,462,505,625
  5. Step 5: Solve for x
    x = 1,805,462,505,625/867,872
  6. Step 6: Final answer
    x = 2,080,332.71

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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.