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Finding the Third Proportional to 16,688 and 36,556

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Solution

The third proportional to 16,688 and 36,556 is: 80,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688 : 36,556 = 36,556 : x
  2. Step 2: Convert to fraction form
    16,688/36,556 = 36,556/x
  3. Step 3: Cross multiply
    16,688x = 36,556 × 36,556
  4. Step 4: Simplify right side
    16,688x = 1,336,341,136
  5. Step 5: Solve for x
    x = 1,336,341,136/16,688
  6. Step 6: Final answer
    x = 80,077.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.