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Finding the Third Proportional to 855,263 and 1,836,877

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Solution

The third proportional to 855,263 and 1,836,877 is: 3,945,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,263 : 1,836,877 = 1,836,877 : x
  2. Step 2: Convert to fraction form
    855,263/1,836,877 = 1,836,877/x
  3. Step 3: Cross multiply
    855,263x = 1,836,877 × 1,836,877
  4. Step 4: Simplify right side
    855,263x = 3,374,117,113,129
  5. Step 5: Solve for x
    x = 3,374,117,113,129/855,263
  6. Step 6: Final answer
    x = 3,945,122.28

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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.