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Finding the Third Proportional to 841,831 and 1,851,811

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Solution

The third proportional to 841,831 and 1,851,811 is: 4,073,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,831 : 1,851,811 = 1,851,811 : x
  2. Step 2: Convert to fraction form
    841,831/1,851,811 = 1,851,811/x
  3. Step 3: Cross multiply
    841,831x = 1,851,811 × 1,851,811
  4. Step 4: Simplify right side
    841,831x = 3,429,203,979,721
  5. Step 5: Solve for x
    x = 3,429,203,979,721/841,831
  6. Step 6: Final answer
    x = 4,073,506.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.