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Finding the Third Proportional to 334 and 479.50

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Solution

The third proportional to 334 and 479.50 is: 688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334 : 479.50 = 479.50 : x
  2. Step 2: Convert to fraction form
    334/479.50 = 479.50/x
  3. Step 3: Cross multiply
    334x = 479.50 × 479.50
  4. Step 4: Simplify right side
    334x = 229,920.25
  5. Step 5: Solve for x
    x = 229,920.25/334
  6. Step 6: Final answer
    x = 688.38

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.