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Finding the Third Proportional to 679.13 and 1,501.13

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Solution

The third proportional to 679.13 and 1,501.13 is: 3,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    679.13 : 1,501.13 = 1,501.13 : x
  2. Step 2: Convert to fraction form
    679.13/1,501.13 = 1,501.13/x
  3. Step 3: Cross multiply
    679.13x = 1,501.13 × 1,501.13
  4. Step 4: Simplify right side
    679.13x = 2,253,376.27
  5. Step 5: Solve for x
    x = 2,253,376.27/679.13
  6. Step 6: Final answer
    x = 3,318.06

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.