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Finding the Third Proportional to 40,696 and 84,511

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Solution

The third proportional to 40,696 and 84,511 is: 175,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,696 : 84,511 = 84,511 : x
  2. Step 2: Convert to fraction form
    40,696/84,511 = 84,511/x
  3. Step 3: Cross multiply
    40,696x = 84,511 × 84,511
  4. Step 4: Simplify right side
    40,696x = 7,142,109,121
  5. Step 5: Solve for x
    x = 7,142,109,121/40,696
  6. Step 6: Final answer
    x = 175,499.04

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.