Home / 4,222,504.69-9,219,108.66

Finding the Third Proportional to 4,222,504.69 and 9,219,108.66

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Solution

The third proportional to 4,222,504.69 and 9,219,108.66 is: 20,128,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222,504.69 : 9,219,108.66 = 9,219,108.66 : x
  2. Step 2: Convert to fraction form
    4,222,504.69/9,219,108.66 = 9,219,108.66/x
  3. Step 3: Cross multiply
    4,222,504.69x = 9,219,108.66 × 9,219,108.66
  4. Step 4: Simplify right side
    4,222,504.69x = 84,991,964,415,743.69
  5. Step 5: Solve for x
    x = 84,991,964,415,743.69/4,222,504.69
  6. Step 6: Final answer
    x = 20,128,329.20

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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.