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Finding the Third Proportional to 476,945 and 1,036,721

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Solution

The third proportional to 476,945 and 1,036,721 is: 2,253,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,945 : 1,036,721 = 1,036,721 : x
  2. Step 2: Convert to fraction form
    476,945/1,036,721 = 1,036,721/x
  3. Step 3: Cross multiply
    476,945x = 1,036,721 × 1,036,721
  4. Step 4: Simplify right side
    476,945x = 1,074,790,431,841
  5. Step 5: Solve for x
    x = 1,074,790,431,841/476,945
  6. Step 6: Final answer
    x = 2,253,489.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.