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Finding the Third Proportional to 5,398,609.50 and 8,278,353

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Solution

The third proportional to 5,398,609.50 and 8,278,353 is: 12,694,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,609.50 : 8,278,353 = 8,278,353 : x
  2. Step 2: Convert to fraction form
    5,398,609.50/8,278,353 = 8,278,353/x
  3. Step 3: Cross multiply
    5,398,609.50x = 8,278,353 × 8,278,353
  4. Step 4: Simplify right side
    5,398,609.50x = 68,531,128,392,609
  5. Step 5: Solve for x
    x = 68,531,128,392,609/5,398,609.50
  6. Step 6: Final answer
    x = 12,694,218.46

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.