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Finding the Third Proportional to 8,842 and 19,309

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Solution

The third proportional to 8,842 and 19,309 is: 42,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842 : 19,309 = 19,309 : x
  2. Step 2: Convert to fraction form
    8,842/19,309 = 19,309/x
  3. Step 3: Cross multiply
    8,842x = 19,309 × 19,309
  4. Step 4: Simplify right side
    8,842x = 372,837,481
  5. Step 5: Solve for x
    x = 372,837,481/8,842
  6. Step 6: Final answer
    x = 42,166.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.