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Finding the Third Proportional to 251.23 and 560.67

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Solution

The third proportional to 251.23 and 560.67 is: 1,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.23 : 560.67 = 560.67 : x
  2. Step 2: Convert to fraction form
    251.23/560.67 = 560.67/x
  3. Step 3: Cross multiply
    251.23x = 560.67 × 560.67
  4. Step 4: Simplify right side
    251.23x = 314,352.95
  5. Step 5: Solve for x
    x = 314,352.95/251.23
  6. Step 6: Final answer
    x = 1,251.27

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.