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Finding the Third Proportional to 8,230,786 and 18,090,980

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Solution

The third proportional to 8,230,786 and 18,090,980 is: 39,763,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,786 : 18,090,980 = 18,090,980 : x
  2. Step 2: Convert to fraction form
    8,230,786/18,090,980 = 18,090,980/x
  3. Step 3: Cross multiply
    8,230,786x = 18,090,980 × 18,090,980
  4. Step 4: Simplify right side
    8,230,786x = 327,283,557,360,400
  5. Step 5: Solve for x
    x = 327,283,557,360,400/8,230,786
  6. Step 6: Final answer
    x = 39,763,341.84

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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.