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Finding the Third Proportional to 297.56 and 614.06

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Solution

The third proportional to 297.56 and 614.06 is: 1,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.56 : 614.06 = 614.06 : x
  2. Step 2: Convert to fraction form
    297.56/614.06 = 614.06/x
  3. Step 3: Cross multiply
    297.56x = 614.06 × 614.06
  4. Step 4: Simplify right side
    297.56x = 377,072.75
  5. Step 5: Solve for x
    x = 377,072.75/297.56
  6. Step 6: Final answer
    x = 1,267.21

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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.