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Finding the Third Proportional to 867,868 and 1,343,670

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Solution

The third proportional to 867,868 and 1,343,670 is: 2,080,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,868 : 1,343,670 = 1,343,670 : x
  2. Step 2: Convert to fraction form
    867,868/1,343,670 = 1,343,670/x
  3. Step 3: Cross multiply
    867,868x = 1,343,670 × 1,343,670
  4. Step 4: Simplify right side
    867,868x = 1,805,449,068,900
  5. Step 5: Solve for x
    x = 1,805,449,068,900/867,868
  6. Step 6: Final answer
    x = 2,080,326.81

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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.