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Finding the Third Proportional to 160.88 and 288.75

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Solution

The third proportional to 160.88 and 288.75 is: 518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.88 : 288.75 = 288.75 : x
  2. Step 2: Convert to fraction form
    160.88/288.75 = 288.75/x
  3. Step 3: Cross multiply
    160.88x = 288.75 × 288.75
  4. Step 4: Simplify right side
    160.88x = 83,376.56
  5. Step 5: Solve for x
    x = 83,376.56/160.88
  6. Step 6: Final answer
    x = 518.27

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.