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Finding the Third Proportional to 483.38 and 656.63

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Solution

The third proportional to 483.38 and 656.63 is: 891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.38 : 656.63 = 656.63 : x
  2. Step 2: Convert to fraction form
    483.38/656.63 = 656.63/x
  3. Step 3: Cross multiply
    483.38x = 656.63 × 656.63
  4. Step 4: Simplify right side
    483.38x = 431,156.39
  5. Step 5: Solve for x
    x = 431,156.39/483.38
  6. Step 6: Final answer
    x = 891.97

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.