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Finding the Third Proportional to 291,844 and 419,334

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Solution

The third proportional to 291,844 and 419,334 is: 602,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,844 : 419,334 = 419,334 : x
  2. Step 2: Convert to fraction form
    291,844/419,334 = 419,334/x
  3. Step 3: Cross multiply
    291,844x = 419,334 × 419,334
  4. Step 4: Simplify right side
    291,844x = 175,841,003,556
  5. Step 5: Solve for x
    x = 175,841,003,556/291,844
  6. Step 6: Final answer
    x = 602,517.11

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.