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Finding the Third Proportional to 17,257.50 and 26,388

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Solution

The third proportional to 17,257.50 and 26,388 is: 40,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.50 : 26,388 = 26,388 : x
  2. Step 2: Convert to fraction form
    17,257.50/26,388 = 26,388/x
  3. Step 3: Cross multiply
    17,257.50x = 26,388 × 26,388
  4. Step 4: Simplify right side
    17,257.50x = 696,326,544
  5. Step 5: Solve for x
    x = 696,326,544/17,257.50
  6. Step 6: Final answer
    x = 40,349.21

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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.