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Finding the Third Proportional to 847.88 and 1,717.13

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Solution

The third proportional to 847.88 and 1,717.13 is: 3,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.88 : 1,717.13 = 1,717.13 : x
  2. Step 2: Convert to fraction form
    847.88/1,717.13 = 1,717.13/x
  3. Step 3: Cross multiply
    847.88x = 1,717.13 × 1,717.13
  4. Step 4: Simplify right side
    847.88x = 2,948,518.27
  5. Step 5: Solve for x
    x = 2,948,518.27/847.88
  6. Step 6: Final answer
    x = 3,477.54

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.