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Finding the Third Proportional to 260,349 and 541,431

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Solution

The third proportional to 260,349 and 541,431 is: 1,125,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,349 : 541,431 = 541,431 : x
  2. Step 2: Convert to fraction form
    260,349/541,431 = 541,431/x
  3. Step 3: Cross multiply
    260,349x = 541,431 × 541,431
  4. Step 4: Simplify right side
    260,349x = 293,147,527,761
  5. Step 5: Solve for x
    x = 293,147,527,761/260,349
  6. Step 6: Final answer
    x = 1,125,979.08

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.