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Finding the Third Proportional to 845.44 and 1,245.38

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Solution

The third proportional to 845.44 and 1,245.38 is: 1,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.44 : 1,245.38 = 1,245.38 : x
  2. Step 2: Convert to fraction form
    845.44/1,245.38 = 1,245.38/x
  3. Step 3: Cross multiply
    845.44x = 1,245.38 × 1,245.38
  4. Step 4: Simplify right side
    845.44x = 1,550,958.89
  5. Step 5: Solve for x
    x = 1,550,958.89/845.44
  6. Step 6: Final answer
    x = 1,834.50

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.