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Finding the Third Proportional to 325.05 and 702.32

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Solution

The third proportional to 325.05 and 702.32 is: 1,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.05 : 702.32 = 702.32 : x
  2. Step 2: Convert to fraction form
    325.05/702.32 = 702.32/x
  3. Step 3: Cross multiply
    325.05x = 702.32 × 702.32
  4. Step 4: Simplify right side
    325.05x = 493,248.33
  5. Step 5: Solve for x
    x = 493,248.33/325.05
  6. Step 6: Final answer
    x = 1,517.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.