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Finding the Third Proportional to 6,987,272 and 15,204,724

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Solution

The third proportional to 6,987,272 and 15,204,724 is: 33,086,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987,272 : 15,204,724 = 15,204,724 : x
  2. Step 2: Convert to fraction form
    6,987,272/15,204,724 = 15,204,724/x
  3. Step 3: Cross multiply
    6,987,272x = 15,204,724 × 15,204,724
  4. Step 4: Simplify right side
    6,987,272x = 231,183,631,916,176
  5. Step 5: Solve for x
    x = 231,183,631,916,176/6,987,272
  6. Step 6: Final answer
    x = 33,086,393.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.