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Finding the Third Proportional to 831,901.50 and 1,789,899.75

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Solution

The third proportional to 831,901.50 and 1,789,899.75 is: 3,851,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,901.50 : 1,789,899.75 = 1,789,899.75 : x
  2. Step 2: Convert to fraction form
    831,901.50/1,789,899.75 = 1,789,899.75/x
  3. Step 3: Cross multiply
    831,901.50x = 1,789,899.75 × 1,789,899.75
  4. Step 4: Simplify right side
    831,901.50x = 3,203,741,115,050.06
  5. Step 5: Solve for x
    x = 3,203,741,115,050.06/831,901.50
  6. Step 6: Final answer
    x = 3,851,106.31

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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.