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Finding the Third Proportional to 717,917 and 1,566,234

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Solution

The third proportional to 717,917 and 1,566,234 is: 3,416,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,917 : 1,566,234 = 1,566,234 : x
  2. Step 2: Convert to fraction form
    717,917/1,566,234 = 1,566,234/x
  3. Step 3: Cross multiply
    717,917x = 1,566,234 × 1,566,234
  4. Step 4: Simplify right side
    717,917x = 2,453,088,942,756
  5. Step 5: Solve for x
    x = 2,453,088,942,756/717,917
  6. Step 6: Final answer
    x = 3,416,953.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.