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Finding the Third Proportional to 17,357 and 26,072

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Solution

The third proportional to 17,357 and 26,072 is: 39,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,357 : 26,072 = 26,072 : x
  2. Step 2: Convert to fraction form
    17,357/26,072 = 26,072/x
  3. Step 3: Cross multiply
    17,357x = 26,072 × 26,072
  4. Step 4: Simplify right side
    17,357x = 679,749,184
  5. Step 5: Solve for x
    x = 679,749,184/17,357
  6. Step 6: Final answer
    x = 39,162.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.