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Finding the Third Proportional to 857,441.25 and 1,811,110.50

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Solution

The third proportional to 857,441.25 and 1,811,110.50 is: 3,825,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,441.25 : 1,811,110.50 = 1,811,110.50 : x
  2. Step 2: Convert to fraction form
    857,441.25/1,811,110.50 = 1,811,110.50/x
  3. Step 3: Cross multiply
    857,441.25x = 1,811,110.50 × 1,811,110.50
  4. Step 4: Simplify right side
    857,441.25x = 3,280,121,243,210.25
  5. Step 5: Solve for x
    x = 3,280,121,243,210.25/857,441.25
  6. Step 6: Final answer
    x = 3,825,476.37

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.