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Finding the Third Proportional to 842.48 and 1,706.06

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Solution

The third proportional to 842.48 and 1,706.06 is: 3,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    842.48 : 1,706.06 = 1,706.06 : x
  2. Step 2: Convert to fraction form
    842.48/1,706.06 = 1,706.06/x
  3. Step 3: Cross multiply
    842.48x = 1,706.06 × 1,706.06
  4. Step 4: Simplify right side
    842.48x = 2,910,649.25
  5. Step 5: Solve for x
    x = 2,910,649.25/842.48
  6. Step 6: Final answer
    x = 3,454.84

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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.