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Finding the Third Proportional to 82,842 and 180,347

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Solution

The third proportional to 82,842 and 180,347 is: 392,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,842 : 180,347 = 180,347 : x
  2. Step 2: Convert to fraction form
    82,842/180,347 = 180,347/x
  3. Step 3: Cross multiply
    82,842x = 180,347 × 180,347
  4. Step 4: Simplify right side
    82,842x = 32,525,040,409
  5. Step 5: Solve for x
    x = 32,525,040,409/82,842
  6. Step 6: Final answer
    x = 392,615.34

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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.