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Finding the Third Proportional to 7,222,032 and 11,218,689

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Solution

The third proportional to 7,222,032 and 11,218,689 is: 17,427,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,032 : 11,218,689 = 11,218,689 : x
  2. Step 2: Convert to fraction form
    7,222,032/11,218,689 = 11,218,689/x
  3. Step 3: Cross multiply
    7,222,032x = 11,218,689 × 11,218,689
  4. Step 4: Simplify right side
    7,222,032x = 125,858,982,878,721
  5. Step 5: Solve for x
    x = 125,858,982,878,721/7,222,032
  6. Step 6: Final answer
    x = 17,427,087.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.