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Finding the Third Proportional to 18,605,916 and 39,465,936

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Solution

The third proportional to 18,605,916 and 39,465,936 is: 83,713,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605,916 : 39,465,936 = 39,465,936 : x
  2. Step 2: Convert to fraction form
    18,605,916/39,465,936 = 39,465,936/x
  3. Step 3: Cross multiply
    18,605,916x = 39,465,936 × 39,465,936
  4. Step 4: Simplify right side
    18,605,916x = 1,557,560,104,356,096
  5. Step 5: Solve for x
    x = 1,557,560,104,356,096/18,605,916
  6. Step 6: Final answer
    x = 83,713,164.37

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.