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Finding the Third Proportional to 340.13 and 701.25

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Solution

The third proportional to 340.13 and 701.25 is: 1,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.13 : 701.25 = 701.25 : x
  2. Step 2: Convert to fraction form
    340.13/701.25 = 701.25/x
  3. Step 3: Cross multiply
    340.13x = 701.25 × 701.25
  4. Step 4: Simplify right side
    340.13x = 491,751.56
  5. Step 5: Solve for x
    x = 491,751.56/340.13
  6. Step 6: Final answer
    x = 1,445.80

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.