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Finding the Third Proportional to 17,342,198 and 38,117,556

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Solution

The third proportional to 17,342,198 and 38,117,556 is: 83,781,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,342,198 : 38,117,556 = 38,117,556 : x
  2. Step 2: Convert to fraction form
    17,342,198/38,117,556 = 38,117,556/x
  3. Step 3: Cross multiply
    17,342,198x = 38,117,556 × 38,117,556
  4. Step 4: Simplify right side
    17,342,198x = 1,452,948,075,413,136
  5. Step 5: Solve for x
    x = 1,452,948,075,413,136/17,342,198
  6. Step 6: Final answer
    x = 83,781,079.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.