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Finding the Third Proportional to 1,003,119.75 and 2,169,855

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Solution

The third proportional to 1,003,119.75 and 2,169,855 is: 4,693,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,119.75 : 2,169,855 = 2,169,855 : x
  2. Step 2: Convert to fraction form
    1,003,119.75/2,169,855 = 2,169,855/x
  3. Step 3: Cross multiply
    1,003,119.75x = 2,169,855 × 2,169,855
  4. Step 4: Simplify right side
    1,003,119.75x = 4,708,270,721,025
  5. Step 5: Solve for x
    x = 4,708,270,721,025/1,003,119.75
  6. Step 6: Final answer
    x = 4,693,627.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.