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Finding the Third Proportional to 438.38 and 594.56

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Solution

The third proportional to 438.38 and 594.56 is: 806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438.38 : 594.56 = 594.56 : x
  2. Step 2: Convert to fraction form
    438.38/594.56 = 594.56/x
  3. Step 3: Cross multiply
    438.38x = 594.56 × 594.56
  4. Step 4: Simplify right side
    438.38x = 353,504.57
  5. Step 5: Solve for x
    x = 353,504.57/438.38
  6. Step 6: Final answer
    x = 806.40

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.