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Finding the Third Proportional to 12,635,777 and 19,409,938

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Solution

The third proportional to 12,635,777 and 19,409,938 is: 29,815,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,777 : 19,409,938 = 19,409,938 : x
  2. Step 2: Convert to fraction form
    12,635,777/19,409,938 = 19,409,938/x
  3. Step 3: Cross multiply
    12,635,777x = 19,409,938 × 19,409,938
  4. Step 4: Simplify right side
    12,635,777x = 376,745,693,163,844
  5. Step 5: Solve for x
    x = 376,745,693,163,844/12,635,777
  6. Step 6: Final answer
    x = 29,815,791.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.