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Finding the Third Proportional to 279,568.13 and 372,476.81

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Solution

The third proportional to 279,568.13 and 372,476.81 is: 496,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,568.13 : 372,476.81 = 372,476.81 : x
  2. Step 2: Convert to fraction form
    279,568.13/372,476.81 = 372,476.81/x
  3. Step 3: Cross multiply
    279,568.13x = 372,476.81 × 372,476.81
  4. Step 4: Simplify right side
    279,568.13x = 138,738,975,850.16
  5. Step 5: Solve for x
    x = 138,738,975,850.16/279,568.13
  6. Step 6: Final answer
    x = 496,261.78

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.