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Finding the Third Proportional to 1,233 and 1,663.88

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Solution

The third proportional to 1,233 and 1,663.88 is: 2,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233 : 1,663.88 = 1,663.88 : x
  2. Step 2: Convert to fraction form
    1,233/1,663.88 = 1,663.88/x
  3. Step 3: Cross multiply
    1,233x = 1,663.88 × 1,663.88
  4. Step 4: Simplify right side
    1,233x = 2,768,480.02
  5. Step 5: Solve for x
    x = 2,768,480.02/1,233
  6. Step 6: Final answer
    x = 2,245.32

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.