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Finding the Third Proportional to 2,021,776 and 4,447,902

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Solution

The third proportional to 2,021,776 and 4,447,902 is: 9,785,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,776 : 4,447,902 = 4,447,902 : x
  2. Step 2: Convert to fraction form
    2,021,776/4,447,902 = 4,447,902/x
  3. Step 3: Cross multiply
    2,021,776x = 4,447,902 × 4,447,902
  4. Step 4: Simplify right side
    2,021,776x = 19,783,832,201,604
  5. Step 5: Solve for x
    x = 19,783,832,201,604/2,021,776
  6. Step 6: Final answer
    x = 9,785,372.96

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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.