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Finding the Third Proportional to 695.67 and 1,519.17

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Solution

The third proportional to 695.67 and 1,519.17 is: 3,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.67 : 1,519.17 = 1,519.17 : x
  2. Step 2: Convert to fraction form
    695.67/1,519.17 = 1,519.17/x
  3. Step 3: Cross multiply
    695.67x = 1,519.17 × 1,519.17
  4. Step 4: Simplify right side
    695.67x = 2,307,883.19
  5. Step 5: Solve for x
    x = 2,307,883.19/695.67
  6. Step 6: Final answer
    x = 3,317.49

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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.