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Finding the Third Proportional to 541.05 and 854.30

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Solution

The third proportional to 541.05 and 854.30 is: 1,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.05 : 854.30 = 854.30 : x
  2. Step 2: Convert to fraction form
    541.05/854.30 = 854.30/x
  3. Step 3: Cross multiply
    541.05x = 854.30 × 854.30
  4. Step 4: Simplify right side
    541.05x = 729,823.15
  5. Step 5: Solve for x
    x = 729,823.15/541.05
  6. Step 6: Final answer
    x = 1,348.89

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.