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Finding the Third Proportional to 25,434 and 38,907

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Solution

The third proportional to 25,434 and 38,907 is: 59,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434 : 38,907 = 38,907 : x
  2. Step 2: Convert to fraction form
    25,434/38,907 = 38,907/x
  3. Step 3: Cross multiply
    25,434x = 38,907 × 38,907
  4. Step 4: Simplify right side
    25,434x = 1,513,754,649
  5. Step 5: Solve for x
    x = 1,513,754,649/25,434
  6. Step 6: Final answer
    x = 59,516.97

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.