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Finding the Third Proportional to 17,888 and 28,319

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Solution

The third proportional to 17,888 and 28,319 is: 44,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888 : 28,319 = 28,319 : x
  2. Step 2: Convert to fraction form
    17,888/28,319 = 28,319/x
  3. Step 3: Cross multiply
    17,888x = 28,319 × 28,319
  4. Step 4: Simplify right side
    17,888x = 801,965,761
  5. Step 5: Solve for x
    x = 801,965,761/17,888
  6. Step 6: Final answer
    x = 44,832.61

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.