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Finding the Third Proportional to 194.88 and 330.50

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Solution

The third proportional to 194.88 and 330.50 is: 560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.88 : 330.50 = 330.50 : x
  2. Step 2: Convert to fraction form
    194.88/330.50 = 330.50/x
  3. Step 3: Cross multiply
    194.88x = 330.50 × 330.50
  4. Step 4: Simplify right side
    194.88x = 109,230.25
  5. Step 5: Solve for x
    x = 109,230.25/194.88
  6. Step 6: Final answer
    x = 560.51

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.