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Finding the Third Proportional to 4,919,939 and 10,676,171

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Solution

The third proportional to 4,919,939 and 10,676,171 is: 23,167,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,939 : 10,676,171 = 10,676,171 : x
  2. Step 2: Convert to fraction form
    4,919,939/10,676,171 = 10,676,171/x
  3. Step 3: Cross multiply
    4,919,939x = 10,676,171 × 10,676,171
  4. Step 4: Simplify right side
    4,919,939x = 113,980,627,221,241
  5. Step 5: Solve for x
    x = 113,980,627,221,241/4,919,939
  6. Step 6: Final answer
    x = 23,167,081.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.