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Finding the Third Proportional to 11,812,006 and 18,505,326

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Solution

The third proportional to 11,812,006 and 18,505,326 is: 28,991,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,006 : 18,505,326 = 18,505,326 : x
  2. Step 2: Convert to fraction form
    11,812,006/18,505,326 = 18,505,326/x
  3. Step 3: Cross multiply
    11,812,006x = 18,505,326 × 18,505,326
  4. Step 4: Simplify right side
    11,812,006x = 342,447,090,366,276
  5. Step 5: Solve for x
    x = 342,447,090,366,276/11,812,006
  6. Step 6: Final answer
    x = 28,991,442.30

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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.