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Finding the Third Proportional to 563.88 and 822.75

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Solution

The third proportional to 563.88 and 822.75 is: 1,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.88 : 822.75 = 822.75 : x
  2. Step 2: Convert to fraction form
    563.88/822.75 = 822.75/x
  3. Step 3: Cross multiply
    563.88x = 822.75 × 822.75
  4. Step 4: Simplify right side
    563.88x = 676,917.56
  5. Step 5: Solve for x
    x = 676,917.56/563.88
  6. Step 6: Final answer
    x = 1,200.47

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.