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Finding the Third Proportional to 141,669 and 311,244

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Solution

The third proportional to 141,669 and 311,244 is: 683,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,669 : 311,244 = 311,244 : x
  2. Step 2: Convert to fraction form
    141,669/311,244 = 311,244/x
  3. Step 3: Cross multiply
    141,669x = 311,244 × 311,244
  4. Step 4: Simplify right side
    141,669x = 96,872,827,536
  5. Step 5: Solve for x
    x = 96,872,827,536/141,669
  6. Step 6: Final answer
    x = 683,796.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.