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Finding the Third Proportional to 11,672,510 and 18,647,085

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Solution

The third proportional to 11,672,510 and 18,647,085 is: 29,789,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672,510 : 18,647,085 = 18,647,085 : x
  2. Step 2: Convert to fraction form
    11,672,510/18,647,085 = 18,647,085/x
  3. Step 3: Cross multiply
    11,672,510x = 18,647,085 × 18,647,085
  4. Step 4: Simplify right side
    11,672,510x = 347,713,778,997,225
  5. Step 5: Solve for x
    x = 347,713,778,997,225/11,672,510
  6. Step 6: Final answer
    x = 29,789,118.11

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.