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Finding the Third Proportional to 4,279,364 and 9,398,408

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Solution

The third proportional to 4,279,364 and 9,398,408 is: 20,640,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,364 : 9,398,408 = 9,398,408 : x
  2. Step 2: Convert to fraction form
    4,279,364/9,398,408 = 9,398,408/x
  3. Step 3: Cross multiply
    4,279,364x = 9,398,408 × 9,398,408
  4. Step 4: Simplify right side
    4,279,364x = 88,330,072,934,464
  5. Step 5: Solve for x
    x = 88,330,072,934,464/4,279,364
  6. Step 6: Final answer
    x = 20,640,934.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.