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Finding the Third Proportional to 8,230,780 and 18,090,968

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Solution

The third proportional to 8,230,780 and 18,090,968 is: 39,763,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,780 : 18,090,968 = 18,090,968 : x
  2. Step 2: Convert to fraction form
    8,230,780/18,090,968 = 18,090,968/x
  3. Step 3: Cross multiply
    8,230,780x = 18,090,968 × 18,090,968
  4. Step 4: Simplify right side
    8,230,780x = 327,283,123,177,024
  5. Step 5: Solve for x
    x = 327,283,123,177,024/8,230,780
  6. Step 6: Final answer
    x = 39,763,318.08

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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.