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Finding the Third Proportional to 856,838.25 and 1,881,822.38

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Solution

The third proportional to 856,838.25 and 1,881,822.38 is: 4,132,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,838.25 : 1,881,822.38 = 1,881,822.38 : x
  2. Step 2: Convert to fraction form
    856,838.25/1,881,822.38 = 1,881,822.38/x
  3. Step 3: Cross multiply
    856,838.25x = 1,881,822.38 × 1,881,822.38
  4. Step 4: Simplify right side
    856,838.25x = 3,541,255,451,050.64
  5. Step 5: Solve for x
    x = 3,541,255,451,050.64/856,838.25
  6. Step 6: Final answer
    x = 4,132,933.43

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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.