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Finding the Third Proportional to 337.50 and 912.75

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Solution

The third proportional to 337.50 and 912.75 is: 2,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.50 : 912.75 = 912.75 : x
  2. Step 2: Convert to fraction form
    337.50/912.75 = 912.75/x
  3. Step 3: Cross multiply
    337.50x = 912.75 × 912.75
  4. Step 4: Simplify right side
    337.50x = 833,112.56
  5. Step 5: Solve for x
    x = 833,112.56/337.50
  6. Step 6: Final answer
    x = 2,468.48

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.