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Finding the Third Proportional to 18,942,451 and 27,705,087

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Solution

The third proportional to 18,942,451 and 27,705,087 is: 40,521,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942,451 : 27,705,087 = 27,705,087 : x
  2. Step 2: Convert to fraction form
    18,942,451/27,705,087 = 27,705,087/x
  3. Step 3: Cross multiply
    18,942,451x = 27,705,087 × 27,705,087
  4. Step 4: Simplify right side
    18,942,451x = 767,571,845,677,569
  5. Step 5: Solve for x
    x = 767,571,845,677,569/18,942,451
  6. Step 6: Final answer
    x = 40,521,252.80

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.