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Finding the Third Proportional to 252 and 561.23

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Solution

The third proportional to 252 and 561.23 is: 1,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252 : 561.23 = 561.23 : x
  2. Step 2: Convert to fraction form
    252/561.23 = 561.23/x
  3. Step 3: Cross multiply
    252x = 561.23 × 561.23
  4. Step 4: Simplify right side
    252x = 314,984.02
  5. Step 5: Solve for x
    x = 314,984.02/252
  6. Step 6: Final answer
    x = 1,249.94

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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.