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Finding the Third Proportional to 255,040.13 and 558,558.38

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Solution

The third proportional to 255,040.13 and 558,558.38 is: 1,223,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,040.13 : 558,558.38 = 558,558.38 : x
  2. Step 2: Convert to fraction form
    255,040.13/558,558.38 = 558,558.38/x
  3. Step 3: Cross multiply
    255,040.13x = 558,558.38 × 558,558.38
  4. Step 4: Simplify right side
    255,040.13x = 311,987,458,282.64
  5. Step 5: Solve for x
    x = 311,987,458,282.64/255,040.13
  6. Step 6: Final answer
    x = 1,223,287.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.