Home / 12,112,984.27-18,618,523.31

Finding the Third Proportional to 12,112,984.27 and 18,618,523.31

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Solution

The third proportional to 12,112,984.27 and 18,618,523.31 is: 28,618,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,984.27 : 18,618,523.31 = 18,618,523.31 : x
  2. Step 2: Convert to fraction form
    12,112,984.27/18,618,523.31 = 18,618,523.31/x
  3. Step 3: Cross multiply
    12,112,984.27x = 18,618,523.31 × 18,618,523.31
  4. Step 4: Simplify right side
    12,112,984.27x = 346,649,410,338,106
  5. Step 5: Solve for x
    x = 346,649,410,338,106/12,112,984.27
  6. Step 6: Final answer
    x = 28,618,002.20

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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.