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Finding the Third Proportional to 159.88 and 268.50

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Solution

The third proportional to 159.88 and 268.50 is: 450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.88 : 268.50 = 268.50 : x
  2. Step 2: Convert to fraction form
    159.88/268.50 = 268.50/x
  3. Step 3: Cross multiply
    159.88x = 268.50 × 268.50
  4. Step 4: Simplify right side
    159.88x = 72,092.25
  5. Step 5: Solve for x
    x = 72,092.25/159.88
  6. Step 6: Final answer
    x = 450.93

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.