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Finding the Third Proportional to 818,292 and 1,778,227

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Solution

The third proportional to 818,292 and 1,778,227 is: 3,864,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,292 : 1,778,227 = 1,778,227 : x
  2. Step 2: Convert to fraction form
    818,292/1,778,227 = 1,778,227/x
  3. Step 3: Cross multiply
    818,292x = 1,778,227 × 1,778,227
  4. Step 4: Simplify right side
    818,292x = 3,162,091,263,529
  5. Step 5: Solve for x
    x = 3,162,091,263,529/818,292
  6. Step 6: Final answer
    x = 3,864,257.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.