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Finding the Third Proportional to 25,270,872 and 54,576,678

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Solution

The third proportional to 25,270,872 and 54,576,678 is: 117,867,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270,872 : 54,576,678 = 54,576,678 : x
  2. Step 2: Convert to fraction form
    25,270,872/54,576,678 = 54,576,678/x
  3. Step 3: Cross multiply
    25,270,872x = 54,576,678 × 54,576,678
  4. Step 4: Simplify right side
    25,270,872x = 2,978,613,781,515,684
  5. Step 5: Solve for x
    x = 2,978,613,781,515,684/25,270,872
  6. Step 6: Final answer
    x = 117,867,471.35

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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.