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Finding the Third Proportional to 158.88 and 201.75

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Solution

The third proportional to 158.88 and 201.75 is: 256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.88 : 201.75 = 201.75 : x
  2. Step 2: Convert to fraction form
    158.88/201.75 = 201.75/x
  3. Step 3: Cross multiply
    158.88x = 201.75 × 201.75
  4. Step 4: Simplify right side
    158.88x = 40,703.06
  5. Step 5: Solve for x
    x = 40,703.06/158.88
  6. Step 6: Final answer
    x = 256.20

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.