Home / 18,220,321.13-27,939,463.88

Finding the Third Proportional to 18,220,321.13 and 27,939,463.88

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Solution

The third proportional to 18,220,321.13 and 27,939,463.88 is: 42,843,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,321.13 : 27,939,463.88 = 27,939,463.88 : x
  2. Step 2: Convert to fraction form
    18,220,321.13/27,939,463.88 = 27,939,463.88/x
  3. Step 3: Cross multiply
    18,220,321.13x = 27,939,463.88 × 27,939,463.88
  4. Step 4: Simplify right side
    18,220,321.13x = 780,613,641,622,430
  5. Step 5: Solve for x
    x = 780,613,641,622,430/18,220,321.13
  6. Step 6: Final answer
    x = 42,843,023.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.