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Finding the Third Proportional to 8,636 and 17,887

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Solution

The third proportional to 8,636 and 17,887 is: 37,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636 : 17,887 = 17,887 : x
  2. Step 2: Convert to fraction form
    8,636/17,887 = 17,887/x
  3. Step 3: Cross multiply
    8,636x = 17,887 × 17,887
  4. Step 4: Simplify right side
    8,636x = 319,944,769
  5. Step 5: Solve for x
    x = 319,944,769/8,636
  6. Step 6: Final answer
    x = 37,047.80

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.