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Finding the Third Proportional to 40,861.13 and 85,461.75

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Solution

The third proportional to 40,861.13 and 85,461.75 is: 178,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861.13 : 85,461.75 = 85,461.75 : x
  2. Step 2: Convert to fraction form
    40,861.13/85,461.75 = 85,461.75/x
  3. Step 3: Cross multiply
    40,861.13x = 85,461.75 × 85,461.75
  4. Step 4: Simplify right side
    40,861.13x = 7,303,710,713.06
  5. Step 5: Solve for x
    x = 7,303,710,713.06/40,861.13
  6. Step 6: Final answer
    x = 178,744.73

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.