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Finding the Third Proportional to 359.06 and 540.19

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Solution

The third proportional to 359.06 and 540.19 is: 812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.06 : 540.19 = 540.19 : x
  2. Step 2: Convert to fraction form
    359.06/540.19 = 540.19/x
  3. Step 3: Cross multiply
    359.06x = 540.19 × 540.19
  4. Step 4: Simplify right side
    359.06x = 291,802.54
  5. Step 5: Solve for x
    x = 291,802.54/359.06
  6. Step 6: Final answer
    x = 812.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.