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Finding the Third Proportional to 545.06 and 793.31

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Solution

The third proportional to 545.06 and 793.31 is: 1,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.06 : 793.31 = 793.31 : x
  2. Step 2: Convert to fraction form
    545.06/793.31 = 793.31/x
  3. Step 3: Cross multiply
    545.06x = 793.31 × 793.31
  4. Step 4: Simplify right side
    545.06x = 629,344.72
  5. Step 5: Solve for x
    x = 629,344.72/545.06
  6. Step 6: Final answer
    x = 1,154.63

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.