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Finding the Third Proportional to 7,939,278 and 17,222,832

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Solution

The third proportional to 7,939,278 and 17,222,832 is: 37,361,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,278 : 17,222,832 = 17,222,832 : x
  2. Step 2: Convert to fraction form
    7,939,278/17,222,832 = 17,222,832/x
  3. Step 3: Cross multiply
    7,939,278x = 17,222,832 × 17,222,832
  4. Step 4: Simplify right side
    7,939,278x = 296,625,942,100,224
  5. Step 5: Solve for x
    x = 296,625,942,100,224/7,939,278
  6. Step 6: Final answer
    x = 37,361,828.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.