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Finding the Third Proportional to 473.63 and 720.75

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Solution

The third proportional to 473.63 and 720.75 is: 1,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.63 : 720.75 = 720.75 : x
  2. Step 2: Convert to fraction form
    473.63/720.75 = 720.75/x
  3. Step 3: Cross multiply
    473.63x = 720.75 × 720.75
  4. Step 4: Simplify right side
    473.63x = 519,480.56
  5. Step 5: Solve for x
    x = 519,480.56/473.63
  6. Step 6: Final answer
    x = 1,096.82

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.