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Finding the Third Proportional to 184.78 and 282.66

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Solution

The third proportional to 184.78 and 282.66 is: 432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.78 : 282.66 = 282.66 : x
  2. Step 2: Convert to fraction form
    184.78/282.66 = 282.66/x
  3. Step 3: Cross multiply
    184.78x = 282.66 × 282.66
  4. Step 4: Simplify right side
    184.78x = 79,894.56
  5. Step 5: Solve for x
    x = 79,894.56/184.78
  6. Step 6: Final answer
    x = 432.37

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.