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Finding the Third Proportional to 17,992,380 and 39,179,397

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Solution

The third proportional to 17,992,380 and 39,179,397 is: 85,315,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,380 : 39,179,397 = 39,179,397 : x
  2. Step 2: Convert to fraction form
    17,992,380/39,179,397 = 39,179,397/x
  3. Step 3: Cross multiply
    17,992,380x = 39,179,397 × 39,179,397
  4. Step 4: Simplify right side
    17,992,380x = 1,535,025,149,283,609
  5. Step 5: Solve for x
    x = 1,535,025,149,283,609/17,992,380
  6. Step 6: Final answer
    x = 85,315,291.77

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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.