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Finding the Third Proportional to 12,909,190 and 27,810,098

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Solution

The third proportional to 12,909,190 and 27,810,098 is: 59,910,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,190 : 27,810,098 = 27,810,098 : x
  2. Step 2: Convert to fraction form
    12,909,190/27,810,098 = 27,810,098/x
  3. Step 3: Cross multiply
    12,909,190x = 27,810,098 × 27,810,098
  4. Step 4: Simplify right side
    12,909,190x = 773,401,550,769,604
  5. Step 5: Solve for x
    x = 773,401,550,769,604/12,909,190
  6. Step 6: Final answer
    x = 59,910,927.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.