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Finding the Third Proportional to 4,222,128 and 9,266,325

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Solution

The third proportional to 4,222,128 and 9,266,325 is: 20,336,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222,128 : 9,266,325 = 9,266,325 : x
  2. Step 2: Convert to fraction form
    4,222,128/9,266,325 = 9,266,325/x
  3. Step 3: Cross multiply
    4,222,128x = 9,266,325 × 9,266,325
  4. Step 4: Simplify right side
    4,222,128x = 85,864,779,005,625
  5. Step 5: Solve for x
    x = 85,864,779,005,625/4,222,128
  6. Step 6: Final answer
    x = 20,336,848.86

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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.