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Finding the Third Proportional to 4,200,876 and 8,555,841

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Solution

The third proportional to 4,200,876 and 8,555,841 is: 17,425,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,876 : 8,555,841 = 8,555,841 : x
  2. Step 2: Convert to fraction form
    4,200,876/8,555,841 = 8,555,841/x
  3. Step 3: Cross multiply
    4,200,876x = 8,555,841 × 8,555,841
  4. Step 4: Simplify right side
    4,200,876x = 73,202,415,217,281
  5. Step 5: Solve for x
    x = 73,202,415,217,281/4,200,876
  6. Step 6: Final answer
    x = 17,425,512.02

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.