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Finding the Third Proportional to 13,980,828 and 18,888,974

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Solution

The third proportional to 13,980,828 and 18,888,974 is: 25,520,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,828 : 18,888,974 = 18,888,974 : x
  2. Step 2: Convert to fraction form
    13,980,828/18,888,974 = 18,888,974/x
  3. Step 3: Cross multiply
    13,980,828x = 18,888,974 × 18,888,974
  4. Step 4: Simplify right side
    13,980,828x = 356,793,338,772,676
  5. Step 5: Solve for x
    x = 356,793,338,772,676/13,980,828
  6. Step 6: Final answer
    x = 25,520,186.56

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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.