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Finding the Third Proportional to 40,354 and 82,347

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Solution

The third proportional to 40,354 and 82,347 is: 168,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354 : 82,347 = 82,347 : x
  2. Step 2: Convert to fraction form
    40,354/82,347 = 82,347/x
  3. Step 3: Cross multiply
    40,354x = 82,347 × 82,347
  4. Step 4: Simplify right side
    40,354x = 6,781,028,409
  5. Step 5: Solve for x
    x = 6,781,028,409/40,354
  6. Step 6: Final answer
    x = 168,038.57

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.