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Finding the Third Proportional to 856,845 and 1,881,873

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Solution

The third proportional to 856,845 and 1,881,873 is: 4,133,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,845 : 1,881,873 = 1,881,873 : x
  2. Step 2: Convert to fraction form
    856,845/1,881,873 = 1,881,873/x
  3. Step 3: Cross multiply
    856,845x = 1,881,873 × 1,881,873
  4. Step 4: Simplify right side
    856,845x = 3,541,445,988,129
  5. Step 5: Solve for x
    x = 3,541,445,988,129/856,845
  6. Step 6: Final answer
    x = 4,133,123.25

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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.