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Finding the Third Proportional to 9,342,940 and 20,082,656

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Solution

The third proportional to 9,342,940 and 20,082,656 is: 43,167,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342,940 : 20,082,656 = 20,082,656 : x
  2. Step 2: Convert to fraction form
    9,342,940/20,082,656 = 20,082,656/x
  3. Step 3: Cross multiply
    9,342,940x = 20,082,656 × 20,082,656
  4. Step 4: Simplify right side
    9,342,940x = 403,313,072,014,336
  5. Step 5: Solve for x
    x = 403,313,072,014,336/9,342,940
  6. Step 6: Final answer
    x = 43,167,682.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.