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Finding the Third Proportional to 679,626 and 1,079,703

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Solution

The third proportional to 679,626 and 1,079,703 is: 1,715,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,626 : 1,079,703 = 1,079,703 : x
  2. Step 2: Convert to fraction form
    679,626/1,079,703 = 1,079,703/x
  3. Step 3: Cross multiply
    679,626x = 1,079,703 × 1,079,703
  4. Step 4: Simplify right side
    679,626x = 1,165,758,568,209
  5. Step 5: Solve for x
    x = 1,165,758,568,209/679,626
  6. Step 6: Final answer
    x = 1,715,294.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.