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Finding the Third Proportional to 9,420,876 and 20,333,880

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Solution

The third proportional to 9,420,876 and 20,333,880 is: 43,888,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420,876 : 20,333,880 = 20,333,880 : x
  2. Step 2: Convert to fraction form
    9,420,876/20,333,880 = 20,333,880/x
  3. Step 3: Cross multiply
    9,420,876x = 20,333,880 × 20,333,880
  4. Step 4: Simplify right side
    9,420,876x = 413,466,675,854,400
  5. Step 5: Solve for x
    x = 413,466,675,854,400/9,420,876
  6. Step 6: Final answer
    x = 43,888,347.10

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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.