Home / 18,045,912.80-38,968,227.98

Finding the Third Proportional to 18,045,912.80 and 38,968,227.98

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Solution

The third proportional to 18,045,912.80 and 38,968,227.98 is: 84,147,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045,912.80 : 38,968,227.98 = 38,968,227.98 : x
  2. Step 2: Convert to fraction form
    18,045,912.80/38,968,227.98 = 38,968,227.98/x
  3. Step 3: Cross multiply
    18,045,912.80x = 38,968,227.98 × 38,968,227.98
  4. Step 4: Simplify right side
    18,045,912.80x = 1,518,522,792,242,304.75
  5. Step 5: Solve for x
    x = 1,518,522,792,242,304.75/18,045,912.80
  6. Step 6: Final answer
    x = 84,147,740.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.