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Finding the Third Proportional to 11,145,728 and 15,695,640

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Solution

The third proportional to 11,145,728 and 15,695,640 is: 22,102,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145,728 : 15,695,640 = 15,695,640 : x
  2. Step 2: Convert to fraction form
    11,145,728/15,695,640 = 15,695,640/x
  3. Step 3: Cross multiply
    11,145,728x = 15,695,640 × 15,695,640
  4. Step 4: Simplify right side
    11,145,728x = 246,353,115,009,600
  5. Step 5: Solve for x
    x = 246,353,115,009,600/11,145,728
  6. Step 6: Final answer
    x = 22,102,918.27

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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.