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Finding the Third Proportional to 8,217 and 17,730

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Solution

The third proportional to 8,217 and 17,730 is: 38,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217 : 17,730 = 17,730 : x
  2. Step 2: Convert to fraction form
    8,217/17,730 = 17,730/x
  3. Step 3: Cross multiply
    8,217x = 17,730 × 17,730
  4. Step 4: Simplify right side
    8,217x = 314,352,900
  5. Step 5: Solve for x
    x = 314,352,900/8,217
  6. Step 6: Final answer
    x = 38,256.41

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.