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Finding the Third Proportional to 40,069 and 85,696.75

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Solution

The third proportional to 40,069 and 85,696.75 is: 183,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069 : 85,696.75 = 85,696.75 : x
  2. Step 2: Convert to fraction form
    40,069/85,696.75 = 85,696.75/x
  3. Step 3: Cross multiply
    40,069x = 85,696.75 × 85,696.75
  4. Step 4: Simplify right side
    40,069x = 7,343,932,960.56
  5. Step 5: Solve for x
    x = 7,343,932,960.56/40,069
  6. Step 6: Final answer
    x = 183,282.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.