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Finding the Third Proportional to 25,489 and 55,226

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Solution

The third proportional to 25,489 and 55,226 is: 119,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489 : 55,226 = 55,226 : x
  2. Step 2: Convert to fraction form
    25,489/55,226 = 55,226/x
  3. Step 3: Cross multiply
    25,489x = 55,226 × 55,226
  4. Step 4: Simplify right side
    25,489x = 3,049,911,076
  5. Step 5: Solve for x
    x = 3,049,911,076/25,489
  6. Step 6: Final answer
    x = 119,655.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.