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Finding the Third Proportional to 11,361,774 and 15,981,090

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Solution

The third proportional to 11,361,774 and 15,981,090 is: 22,478,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361,774 : 15,981,090 = 15,981,090 : x
  2. Step 2: Convert to fraction form
    11,361,774/15,981,090 = 15,981,090/x
  3. Step 3: Cross multiply
    11,361,774x = 15,981,090 × 15,981,090
  4. Step 4: Simplify right side
    11,361,774x = 255,395,237,588,100
  5. Step 5: Solve for x
    x = 255,395,237,588,100/11,361,774
  6. Step 6: Final answer
    x = 22,478,464.86

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.