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Finding the Third Proportional to 330.75 and 585.75

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Solution

The third proportional to 330.75 and 585.75 is: 1,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.75 : 585.75 = 585.75 : x
  2. Step 2: Convert to fraction form
    330.75/585.75 = 585.75/x
  3. Step 3: Cross multiply
    330.75x = 585.75 × 585.75
  4. Step 4: Simplify right side
    330.75x = 343,103.06
  5. Step 5: Solve for x
    x = 343,103.06/330.75
  6. Step 6: Final answer
    x = 1,037.35

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.