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Finding the Third Proportional to 141,369 and 207,819

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Solution

The third proportional to 141,369 and 207,819 is: 305,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,369 : 207,819 = 207,819 : x
  2. Step 2: Convert to fraction form
    141,369/207,819 = 207,819/x
  3. Step 3: Cross multiply
    141,369x = 207,819 × 207,819
  4. Step 4: Simplify right side
    141,369x = 43,188,736,761
  5. Step 5: Solve for x
    x = 43,188,736,761/141,369
  6. Step 6: Final answer
    x = 305,503.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.