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Finding the Third Proportional to 332.75 and 579.50

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Solution

The third proportional to 332.75 and 579.50 is: 1,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.75 : 579.50 = 579.50 : x
  2. Step 2: Convert to fraction form
    332.75/579.50 = 579.50/x
  3. Step 3: Cross multiply
    332.75x = 579.50 × 579.50
  4. Step 4: Simplify right side
    332.75x = 335,820.25
  5. Step 5: Solve for x
    x = 335,820.25/332.75
  6. Step 6: Final answer
    x = 1,009.23

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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.