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Finding the Third Proportional to 15,514 and 32,688

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Solution

The third proportional to 15,514 and 32,688 is: 68,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514 : 32,688 = 32,688 : x
  2. Step 2: Convert to fraction form
    15,514/32,688 = 32,688/x
  3. Step 3: Cross multiply
    15,514x = 32,688 × 32,688
  4. Step 4: Simplify right side
    15,514x = 1,068,505,344
  5. Step 5: Solve for x
    x = 1,068,505,344/15,514
  6. Step 6: Final answer
    x = 68,873.62

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.