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Finding the Third Proportional to 857,871 and 1,694,216.25

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Solution

The third proportional to 857,871 and 1,694,216.25 is: 3,345,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,871 : 1,694,216.25 = 1,694,216.25 : x
  2. Step 2: Convert to fraction form
    857,871/1,694,216.25 = 1,694,216.25/x
  3. Step 3: Cross multiply
    857,871x = 1,694,216.25 × 1,694,216.25
  4. Step 4: Simplify right side
    857,871x = 2,870,368,701,764.06
  5. Step 5: Solve for x
    x = 2,870,368,701,764.06/857,871
  6. Step 6: Final answer
    x = 3,345,921.13

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.