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Finding the Third Proportional to 1,855,294.50 and 3,991,062

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Solution

The third proportional to 1,855,294.50 and 3,991,062 is: 8,585,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,294.50 : 3,991,062 = 3,991,062 : x
  2. Step 2: Convert to fraction form
    1,855,294.50/3,991,062 = 3,991,062/x
  3. Step 3: Cross multiply
    1,855,294.50x = 3,991,062 × 3,991,062
  4. Step 4: Simplify right side
    1,855,294.50x = 15,928,575,887,844
  5. Step 5: Solve for x
    x = 15,928,575,887,844/1,855,294.50
  6. Step 6: Final answer
    x = 8,585,470.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.