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Finding the Third Proportional to 5,387,066 and 11,821,808

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Solution

The third proportional to 5,387,066 and 11,821,808 is: 25,942,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,066 : 11,821,808 = 11,821,808 : x
  2. Step 2: Convert to fraction form
    5,387,066/11,821,808 = 11,821,808/x
  3. Step 3: Cross multiply
    5,387,066x = 11,821,808 × 11,821,808
  4. Step 4: Simplify right side
    5,387,066x = 139,755,144,388,864
  5. Step 5: Solve for x
    x = 139,755,144,388,864/5,387,066
  6. Step 6: Final answer
    x = 25,942,719.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.