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Finding the Third Proportional to 783,988 and 1,700,744

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Solution

The third proportional to 783,988 and 1,700,744 is: 3,689,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,988 : 1,700,744 = 1,700,744 : x
  2. Step 2: Convert to fraction form
    783,988/1,700,744 = 1,700,744/x
  3. Step 3: Cross multiply
    783,988x = 1,700,744 × 1,700,744
  4. Step 4: Simplify right side
    783,988x = 2,892,530,153,536
  5. Step 5: Solve for x
    x = 2,892,530,153,536/783,988
  6. Step 6: Final answer
    x = 3,689,508.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.