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Finding the Third Proportional to 7,999,910 and 17,556,939

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Solution

The third proportional to 7,999,910 and 17,556,939 is: 38,531,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,910 : 17,556,939 = 17,556,939 : x
  2. Step 2: Convert to fraction form
    7,999,910/17,556,939 = 17,556,939/x
  3. Step 3: Cross multiply
    7,999,910x = 17,556,939 × 17,556,939
  4. Step 4: Simplify right side
    7,999,910x = 308,246,107,049,721
  5. Step 5: Solve for x
    x = 308,246,107,049,721/7,999,910
  6. Step 6: Final answer
    x = 38,531,196.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.