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Finding the Third Proportional to 8,408,838 and 18,445,500

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Solution

The third proportional to 8,408,838 and 18,445,500 is: 40,461,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,838 : 18,445,500 = 18,445,500 : x
  2. Step 2: Convert to fraction form
    8,408,838/18,445,500 = 18,445,500/x
  3. Step 3: Cross multiply
    8,408,838x = 18,445,500 × 18,445,500
  4. Step 4: Simplify right side
    8,408,838x = 340,236,470,250,000
  5. Step 5: Solve for x
    x = 340,236,470,250,000/8,408,838
  6. Step 6: Final answer
    x = 40,461,770.13

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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.