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Finding the Third Proportional to 85,885.31 and 126,263.81

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Solution

The third proportional to 85,885.31 and 126,263.81 is: 185,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,885.31 : 126,263.81 = 126,263.81 : x
  2. Step 2: Convert to fraction form
    85,885.31/126,263.81 = 126,263.81/x
  3. Step 3: Cross multiply
    85,885.31x = 126,263.81 × 126,263.81
  4. Step 4: Simplify right side
    85,885.31x = 15,942,550,347.04
  5. Step 5: Solve for x
    x = 15,942,550,347.04/85,885.31
  6. Step 6: Final answer
    x = 185,626.04

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.