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Finding the Third Proportional to 294 and 474

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Solution

The third proportional to 294 and 474 is: 764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294 : 474 = 474 : x
  2. Step 2: Convert to fraction form
    294/474 = 474/x
  3. Step 3: Cross multiply
    294x = 474 × 474
  4. Step 4: Simplify right side
    294x = 224,676
  5. Step 5: Solve for x
    x = 224,676/294
  6. Step 6: Final answer
    x = 764.20

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.