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Finding the Third Proportional to 17,992,378 and 39,179,395

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Solution

The third proportional to 17,992,378 and 39,179,395 is: 85,315,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,378 : 39,179,395 = 39,179,395 : x
  2. Step 2: Convert to fraction form
    17,992,378/39,179,395 = 39,179,395/x
  3. Step 3: Cross multiply
    17,992,378x = 39,179,395 × 39,179,395
  4. Step 4: Simplify right side
    17,992,378x = 1,535,024,992,566,025
  5. Step 5: Solve for x
    x = 1,535,024,992,566,025/17,992,378
  6. Step 6: Final answer
    x = 85,315,292.54

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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.