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Finding the Third Proportional to 480.38 and 704.53

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Solution

The third proportional to 480.38 and 704.53 is: 1,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.38 : 704.53 = 704.53 : x
  2. Step 2: Convert to fraction form
    480.38/704.53 = 704.53/x
  3. Step 3: Cross multiply
    480.38x = 704.53 × 704.53
  4. Step 4: Simplify right side
    480.38x = 496,364.28
  5. Step 5: Solve for x
    x = 496,364.28/480.38
  6. Step 6: Final answer
    x = 1,033.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.