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Finding the Third Proportional to 4,021,950 and 8,766,906

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Solution

The third proportional to 4,021,950 and 8,766,906 is: 19,109,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021,950 : 8,766,906 = 8,766,906 : x
  2. Step 2: Convert to fraction form
    4,021,950/8,766,906 = 8,766,906/x
  3. Step 3: Cross multiply
    4,021,950x = 8,766,906 × 8,766,906
  4. Step 4: Simplify right side
    4,021,950x = 76,858,640,812,836
  5. Step 5: Solve for x
    x = 76,858,640,812,836/4,021,950
  6. Step 6: Final answer
    x = 19,109,795.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.