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Finding the Third Proportional to 64,081.69 and 140,226.75

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Solution

The third proportional to 64,081.69 and 140,226.75 is: 306,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,081.69 : 140,226.75 = 140,226.75 : x
  2. Step 2: Convert to fraction form
    64,081.69/140,226.75 = 140,226.75/x
  3. Step 3: Cross multiply
    64,081.69x = 140,226.75 × 140,226.75
  4. Step 4: Simplify right side
    64,081.69x = 19,663,541,415.56
  5. Step 5: Solve for x
    x = 19,663,541,415.56/64,081.69
  6. Step 6: Final answer
    x = 306,851.18

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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.