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Finding the Third Proportional to 183.75 and 291

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Solution

The third proportional to 183.75 and 291 is: 460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.75 : 291 = 291 : x
  2. Step 2: Convert to fraction form
    183.75/291 = 291/x
  3. Step 3: Cross multiply
    183.75x = 291 × 291
  4. Step 4: Simplify right side
    183.75x = 84,681
  5. Step 5: Solve for x
    x = 84,681/183.75
  6. Step 6: Final answer
    x = 460.85

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.