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Finding the Third Proportional to 892,120.50 and 1,929,399.75

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Solution

The third proportional to 892,120.50 and 1,929,399.75 is: 4,172,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,120.50 : 1,929,399.75 = 1,929,399.75 : x
  2. Step 2: Convert to fraction form
    892,120.50/1,929,399.75 = 1,929,399.75/x
  3. Step 3: Cross multiply
    892,120.50x = 1,929,399.75 × 1,929,399.75
  4. Step 4: Simplify right side
    892,120.50x = 3,722,583,395,300.06
  5. Step 5: Solve for x
    x = 3,722,583,395,300.06/892,120.50
  6. Step 6: Final answer
    x = 4,172,736.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.