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Finding the Third Proportional to 334.25 and 734.25

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Solution

The third proportional to 334.25 and 734.25 is: 1,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.25 : 734.25 = 734.25 : x
  2. Step 2: Convert to fraction form
    334.25/734.25 = 734.25/x
  3. Step 3: Cross multiply
    334.25x = 734.25 × 734.25
  4. Step 4: Simplify right side
    334.25x = 539,123.06
  5. Step 5: Solve for x
    x = 539,123.06/334.25
  6. Step 6: Final answer
    x = 1,612.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.