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Finding the Third Proportional to 13,980,832 and 18,888,980

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Solution

The third proportional to 13,980,832 and 18,888,980 is: 25,520,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,832 : 18,888,980 = 18,888,980 : x
  2. Step 2: Convert to fraction form
    13,980,832/18,888,980 = 18,888,980/x
  3. Step 3: Cross multiply
    13,980,832x = 18,888,980 × 18,888,980
  4. Step 4: Simplify right side
    13,980,832x = 356,793,565,440,400
  5. Step 5: Solve for x
    x = 356,793,565,440,400/13,980,832
  6. Step 6: Final answer
    x = 25,520,195.47

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.