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Finding the Third Proportional to 807.38 and 1,734.38

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Solution

The third proportional to 807.38 and 1,734.38 is: 3,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.38 : 1,734.38 = 1,734.38 : x
  2. Step 2: Convert to fraction form
    807.38/1,734.38 = 1,734.38/x
  3. Step 3: Cross multiply
    807.38x = 1,734.38 × 1,734.38
  4. Step 4: Simplify right side
    807.38x = 3,008,056.64
  5. Step 5: Solve for x
    x = 3,008,056.64/807.38
  6. Step 6: Final answer
    x = 3,725.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.