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Finding the Third Proportional to 8,416,278 and 18,119,697

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Solution

The third proportional to 8,416,278 and 18,119,697 is: 39,010,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416,278 : 18,119,697 = 18,119,697 : x
  2. Step 2: Convert to fraction form
    8,416,278/18,119,697 = 18,119,697/x
  3. Step 3: Cross multiply
    8,416,278x = 18,119,697 × 18,119,697
  4. Step 4: Simplify right side
    8,416,278x = 328,323,419,371,809
  5. Step 5: Solve for x
    x = 328,323,419,371,809/8,416,278
  6. Step 6: Final answer
    x = 39,010,524.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.