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Finding the Third Proportional to 110,979.28 and 240,632.86

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Solution

The third proportional to 110,979.28 and 240,632.86 is: 521,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,979.28 : 240,632.86 = 240,632.86 : x
  2. Step 2: Convert to fraction form
    110,979.28/240,632.86 = 240,632.86/x
  3. Step 3: Cross multiply
    110,979.28x = 240,632.86 × 240,632.86
  4. Step 4: Simplify right side
    110,979.28x = 57,904,173,010.99
  5. Step 5: Solve for x
    x = 57,904,173,010.99/110,979.28
  6. Step 6: Final answer
    x = 521,756.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.