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Finding the Third Proportional to 25,436.50 and 38,911

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Solution

The third proportional to 25,436.50 and 38,911 is: 59,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.50 : 38,911 = 38,911 : x
  2. Step 2: Convert to fraction form
    25,436.50/38,911 = 38,911/x
  3. Step 3: Cross multiply
    25,436.50x = 38,911 × 38,911
  4. Step 4: Simplify right side
    25,436.50x = 1,514,065,921
  5. Step 5: Solve for x
    x = 1,514,065,921/25,436.50
  6. Step 6: Final answer
    x = 59,523.36

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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.