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Finding the Third Proportional to 12,777,912 and 27,913,896

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Solution

The third proportional to 12,777,912 and 27,913,896 is: 60,979,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,912 : 27,913,896 = 27,913,896 : x
  2. Step 2: Convert to fraction form
    12,777,912/27,913,896 = 27,913,896/x
  3. Step 3: Cross multiply
    12,777,912x = 27,913,896 × 27,913,896
  4. Step 4: Simplify right side
    12,777,912x = 779,185,589,898,816
  5. Step 5: Solve for x
    x = 779,185,589,898,816/12,777,912
  6. Step 6: Final answer
    x = 60,979,101.27

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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.