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Finding the Third Proportional to 40,495 and 82,611

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Solution

The third proportional to 40,495 and 82,611 is: 168,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495 : 82,611 = 82,611 : x
  2. Step 2: Convert to fraction form
    40,495/82,611 = 82,611/x
  3. Step 3: Cross multiply
    40,495x = 82,611 × 82,611
  4. Step 4: Simplify right side
    40,495x = 6,824,577,321
  5. Step 5: Solve for x
    x = 6,824,577,321/40,495
  6. Step 6: Final answer
    x = 168,528.89

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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.