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Finding the Third Proportional to 370.13 and 771.56

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Solution

The third proportional to 370.13 and 771.56 is: 1,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.13 : 771.56 = 771.56 : x
  2. Step 2: Convert to fraction form
    370.13/771.56 = 771.56/x
  3. Step 3: Cross multiply
    370.13x = 771.56 × 771.56
  4. Step 4: Simplify right side
    370.13x = 595,308.69
  5. Step 5: Solve for x
    x = 595,308.69/370.13
  6. Step 6: Final answer
    x = 1,608.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.