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Finding the Third Proportional to 370.20 and 540.11

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Solution

The third proportional to 370.20 and 540.11 is: 788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.20 : 540.11 = 540.11 : x
  2. Step 2: Convert to fraction form
    370.20/540.11 = 540.11/x
  3. Step 3: Cross multiply
    370.20x = 540.11 × 540.11
  4. Step 4: Simplify right side
    370.20x = 291,713.92
  5. Step 5: Solve for x
    x = 291,713.92/370.20
  6. Step 6: Final answer
    x = 788.00

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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.