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Finding the Third Proportional to 3,894,129 and 8,522,351

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Solution

The third proportional to 3,894,129 and 8,522,351 is: 18,651,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,129 : 8,522,351 = 8,522,351 : x
  2. Step 2: Convert to fraction form
    3,894,129/8,522,351 = 8,522,351/x
  3. Step 3: Cross multiply
    3,894,129x = 8,522,351 × 8,522,351
  4. Step 4: Simplify right side
    3,894,129x = 72,630,466,567,201
  5. Step 5: Solve for x
    x = 72,630,466,567,201/3,894,129
  6. Step 6: Final answer
    x = 18,651,273.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.