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Finding the Third Proportional to 7,991,380 and 17,261,530

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Solution

The third proportional to 7,991,380 and 17,261,530 is: 37,285,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,380 : 17,261,530 = 17,261,530 : x
  2. Step 2: Convert to fraction form
    7,991,380/17,261,530 = 17,261,530/x
  3. Step 3: Cross multiply
    7,991,380x = 17,261,530 × 17,261,530
  4. Step 4: Simplify right side
    7,991,380x = 297,960,417,940,900
  5. Step 5: Solve for x
    x = 297,960,417,940,900/7,991,380
  6. Step 6: Final answer
    x = 37,285,227.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.