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Finding the Third Proportional to 294 and 404.75

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Solution

The third proportional to 294 and 404.75 is: 557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294 : 404.75 = 404.75 : x
  2. Step 2: Convert to fraction form
    294/404.75 = 404.75/x
  3. Step 3: Cross multiply
    294x = 404.75 × 404.75
  4. Step 4: Simplify right side
    294x = 163,822.56
  5. Step 5: Solve for x
    x = 163,822.56/294
  6. Step 6: Final answer
    x = 557.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.