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Finding the Third Proportional to 817,444 and 1,275,836

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Solution

The third proportional to 817,444 and 1,275,836 is: 1,991,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,444 : 1,275,836 = 1,275,836 : x
  2. Step 2: Convert to fraction form
    817,444/1,275,836 = 1,275,836/x
  3. Step 3: Cross multiply
    817,444x = 1,275,836 × 1,275,836
  4. Step 4: Simplify right side
    817,444x = 1,627,757,498,896
  5. Step 5: Solve for x
    x = 1,627,757,498,896/817,444
  6. Step 6: Final answer
    x = 1,991,277.08

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.