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Finding the Third Proportional to 175.92 and 306.28

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Solution

The third proportional to 175.92 and 306.28 is: 533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.92 : 306.28 = 306.28 : x
  2. Step 2: Convert to fraction form
    175.92/306.28 = 306.28/x
  3. Step 3: Cross multiply
    175.92x = 306.28 × 306.28
  4. Step 4: Simplify right side
    175.92x = 93,808.20
  5. Step 5: Solve for x
    x = 93,808.20/175.92
  6. Step 6: Final answer
    x = 533.24

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.