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Finding the Third Proportional to 17,933 and 39,148

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Solution

The third proportional to 17,933 and 39,148 is: 85,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,933 : 39,148 = 39,148 : x
  2. Step 2: Convert to fraction form
    17,933/39,148 = 39,148/x
  3. Step 3: Cross multiply
    17,933x = 39,148 × 39,148
  4. Step 4: Simplify right side
    17,933x = 1,532,565,904
  5. Step 5: Solve for x
    x = 1,532,565,904/17,933
  6. Step 6: Final answer
    x = 85,460.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.