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Finding the Third Proportional to 7,797,991.50 and 17,388,990

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Solution

The third proportional to 7,797,991.50 and 17,388,990 is: 38,776,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797,991.50 : 17,388,990 = 17,388,990 : x
  2. Step 2: Convert to fraction form
    7,797,991.50/17,388,990 = 17,388,990/x
  3. Step 3: Cross multiply
    7,797,991.50x = 17,388,990 × 17,388,990
  4. Step 4: Simplify right side
    7,797,991.50x = 302,376,973,220,100
  5. Step 5: Solve for x
    x = 302,376,973,220,100/7,797,991.50
  6. Step 6: Final answer
    x = 38,776,263.51

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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.