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Finding the Third Proportional to 891,286.80 and 1,945,899.98

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Solution

The third proportional to 891,286.80 and 1,945,899.98 is: 4,248,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,286.80 : 1,945,899.98 = 1,945,899.98 : x
  2. Step 2: Convert to fraction form
    891,286.80/1,945,899.98 = 1,945,899.98/x
  3. Step 3: Cross multiply
    891,286.80x = 1,945,899.98 × 1,945,899.98
  4. Step 4: Simplify right side
    891,286.80x = 3,786,526,749,190.63
  5. Step 5: Solve for x
    x = 3,786,526,749,190.63/891,286.80
  6. Step 6: Final answer
    x = 4,248,381.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.