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Finding the Third Proportional to 1,282,221 and 1,993,272.75

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Solution

The third proportional to 1,282,221 and 1,993,272.75 is: 3,098,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,221 : 1,993,272.75 = 1,993,272.75 : x
  2. Step 2: Convert to fraction form
    1,282,221/1,993,272.75 = 1,993,272.75/x
  3. Step 3: Cross multiply
    1,282,221x = 1,993,272.75 × 1,993,272.75
  4. Step 4: Simplify right side
    1,282,221x = 3,973,136,255,892.56
  5. Step 5: Solve for x
    x = 3,973,136,255,892.56/1,282,221
  6. Step 6: Final answer
    x = 3,098,636.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.