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Finding the Third Proportional to 11,812,038 and 18,505,377

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Solution

The third proportional to 11,812,038 and 18,505,377 is: 28,991,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,038 : 18,505,377 = 18,505,377 : x
  2. Step 2: Convert to fraction form
    11,812,038/18,505,377 = 18,505,377/x
  3. Step 3: Cross multiply
    11,812,038x = 18,505,377 × 18,505,377
  4. Step 4: Simplify right side
    11,812,038x = 342,448,977,912,129
  5. Step 5: Solve for x
    x = 342,448,977,912,129/11,812,038
  6. Step 6: Final answer
    x = 28,991,523.56

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.