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Finding the Third Proportional to 694.83 and 1,514.95

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Solution

The third proportional to 694.83 and 1,514.95 is: 3,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.83 : 1,514.95 = 1,514.95 : x
  2. Step 2: Convert to fraction form
    694.83/1,514.95 = 1,514.95/x
  3. Step 3: Cross multiply
    694.83x = 1,514.95 × 1,514.95
  4. Step 4: Simplify right side
    694.83x = 2,295,082.97
  5. Step 5: Solve for x
    x = 2,295,082.97/694.83
  6. Step 6: Final answer
    x = 3,303.09

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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.