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Finding the Third Proportional to 7,797,942 and 17,388,879

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Solution

The third proportional to 7,797,942 and 17,388,879 is: 38,776,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797,942 : 17,388,879 = 17,388,879 : x
  2. Step 2: Convert to fraction form
    7,797,942/17,388,879 = 17,388,879/x
  3. Step 3: Cross multiply
    7,797,942x = 17,388,879 × 17,388,879
  4. Step 4: Simplify right side
    7,797,942x = 302,373,112,876,641
  5. Step 5: Solve for x
    x = 302,373,112,876,641/7,797,942
  6. Step 6: Final answer
    x = 38,776,014.60

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.