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Finding the Third Proportional to 18,099,810 and 25,318,061

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Solution

The third proportional to 18,099,810 and 25,318,061 is: 35,414,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099,810 : 25,318,061 = 25,318,061 : x
  2. Step 2: Convert to fraction form
    18,099,810/25,318,061 = 25,318,061/x
  3. Step 3: Cross multiply
    18,099,810x = 25,318,061 × 25,318,061
  4. Step 4: Simplify right side
    18,099,810x = 641,004,212,799,721
  5. Step 5: Solve for x
    x = 641,004,212,799,721/18,099,810
  6. Step 6: Final answer
    x = 35,414,969.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.