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Finding the Third Proportional to 13,981,115 and 18,889,392

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Solution

The third proportional to 13,981,115 and 18,889,392 is: 25,520,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,115 : 18,889,392 = 18,889,392 : x
  2. Step 2: Convert to fraction form
    13,981,115/18,889,392 = 18,889,392/x
  3. Step 3: Cross multiply
    13,981,115x = 18,889,392 × 18,889,392
  4. Step 4: Simplify right side
    13,981,115x = 356,809,130,129,664
  5. Step 5: Solve for x
    x = 356,809,130,129,664/13,981,115
  6. Step 6: Final answer
    x = 25,520,792.16

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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.