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Finding the Third Proportional to 17,945,446 and 38,919,644

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Solution

The third proportional to 17,945,446 and 38,919,644 is: 84,407,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945,446 : 38,919,644 = 38,919,644 : x
  2. Step 2: Convert to fraction form
    17,945,446/38,919,644 = 38,919,644/x
  3. Step 3: Cross multiply
    17,945,446x = 38,919,644 × 38,919,644
  4. Step 4: Simplify right side
    17,945,446x = 1,514,738,689,086,736
  5. Step 5: Solve for x
    x = 1,514,738,689,086,736/17,945,446
  6. Step 6: Final answer
    x = 84,407,971.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.