Home / 11,972,989.69-18,498,071.25

Finding the Third Proportional to 11,972,989.69 and 18,498,071.25

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Solution

The third proportional to 11,972,989.69 and 18,498,071.25 is: 28,579,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972,989.69 : 18,498,071.25 = 18,498,071.25 : x
  2. Step 2: Convert to fraction form
    11,972,989.69/18,498,071.25 = 18,498,071.25/x
  3. Step 3: Cross multiply
    11,972,989.69x = 18,498,071.25 × 18,498,071.25
  4. Step 4: Simplify right side
    11,972,989.69x = 342,178,639,970,076.56
  5. Step 5: Solve for x
    x = 342,178,639,970,076.56/11,972,989.69
  6. Step 6: Final answer
    x = 28,579,214.46

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.