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Finding the Third Proportional to 524,790 and 1,086,918

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Solution

The third proportional to 524,790 and 1,086,918 is: 2,251,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,790 : 1,086,918 = 1,086,918 : x
  2. Step 2: Convert to fraction form
    524,790/1,086,918 = 1,086,918/x
  3. Step 3: Cross multiply
    524,790x = 1,086,918 × 1,086,918
  4. Step 4: Simplify right side
    524,790x = 1,181,390,738,724
  5. Step 5: Solve for x
    x = 1,181,390,738,724/524,790
  6. Step 6: Final answer
    x = 2,251,168.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.