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Finding the Third Proportional to 330 and 583.50

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Solution

The third proportional to 330 and 583.50 is: 1,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330 : 583.50 = 583.50 : x
  2. Step 2: Convert to fraction form
    330/583.50 = 583.50/x
  3. Step 3: Cross multiply
    330x = 583.50 × 583.50
  4. Step 4: Simplify right side
    330x = 340,472.25
  5. Step 5: Solve for x
    x = 340,472.25/330
  6. Step 6: Final answer
    x = 1,031.73

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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.