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Finding the Third Proportional to 332 and 485.75

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Solution

The third proportional to 332 and 485.75 is: 710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332 : 485.75 = 485.75 : x
  2. Step 2: Convert to fraction form
    332/485.75 = 485.75/x
  3. Step 3: Cross multiply
    332x = 485.75 × 485.75
  4. Step 4: Simplify right side
    332x = 235,953.06
  5. Step 5: Solve for x
    x = 235,953.06/332
  6. Step 6: Final answer
    x = 710.70

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.