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Finding the Third Proportional to 693.56 and 1,508.06

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Solution

The third proportional to 693.56 and 1,508.06 is: 3,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.56 : 1,508.06 = 1,508.06 : x
  2. Step 2: Convert to fraction form
    693.56/1,508.06 = 1,508.06/x
  3. Step 3: Cross multiply
    693.56x = 1,508.06 × 1,508.06
  4. Step 4: Simplify right side
    693.56x = 2,274,252.50
  5. Step 5: Solve for x
    x = 2,274,252.50/693.56
  6. Step 6: Final answer
    x = 3,279.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.