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Finding the Third Proportional to 478 and 733

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Solution

The third proportional to 478 and 733 is: 1,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    478 : 733 = 733 : x
  2. Step 2: Convert to fraction form
    478/733 = 733/x
  3. Step 3: Cross multiply
    478x = 733 × 733
  4. Step 4: Simplify right side
    478x = 537,289
  5. Step 5: Solve for x
    x = 537,289/478
  6. Step 6: Final answer
    x = 1,124.04

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.