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Finding the Third Proportional to 4,408,551,530 and 9,518,407,802

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Solution

The third proportional to 4,408,551,530 and 9,518,407,802 is: 20,550,987,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408,551,530 : 9,518,407,802 = 9,518,407,802 : x
  2. Step 2: Convert to fraction form
    4,408,551,530/9,518,407,802 = 9,518,407,802/x
  3. Step 3: Cross multiply
    4,408,551,530x = 9,518,407,802 × 9,518,407,802
  4. Step 4: Simplify right side
    4,408,551,530x = 90,600,087,085,174,472,704
  5. Step 5: Solve for x
    x = 90,600,087,085,174,472,704/4,408,551,530
  6. Step 6: Final answer
    x = 20,550,987,431.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.