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Finding the Third Proportional to 563.25 and 1,393.50

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Solution

The third proportional to 563.25 and 1,393.50 is: 3,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.25 : 1,393.50 = 1,393.50 : x
  2. Step 2: Convert to fraction form
    563.25/1,393.50 = 1,393.50/x
  3. Step 3: Cross multiply
    563.25x = 1,393.50 × 1,393.50
  4. Step 4: Simplify right side
    563.25x = 1,941,842.25
  5. Step 5: Solve for x
    x = 1,941,842.25/563.25
  6. Step 6: Final answer
    x = 3,447.57

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.