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Finding the Third Proportional to 541.69 and 817.41

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Solution

The third proportional to 541.69 and 817.41 is: 1,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.69 : 817.41 = 817.41 : x
  2. Step 2: Convert to fraction form
    541.69/817.41 = 817.41/x
  3. Step 3: Cross multiply
    541.69x = 817.41 × 817.41
  4. Step 4: Simplify right side
    541.69x = 668,152.98
  5. Step 5: Solve for x
    x = 668,152.98/541.69
  6. Step 6: Final answer
    x = 1,233.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.