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Finding the Third Proportional to 56,993.63 and 85,520.81

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Solution

The third proportional to 56,993.63 and 85,520.81 is: 128,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,993.63 : 85,520.81 = 85,520.81 : x
  2. Step 2: Convert to fraction form
    56,993.63/85,520.81 = 85,520.81/x
  3. Step 3: Cross multiply
    56,993.63x = 85,520.81 × 85,520.81
  4. Step 4: Simplify right side
    56,993.63x = 7,313,809,370.66
  5. Step 5: Solve for x
    x = 7,313,809,370.66/56,993.63
  6. Step 6: Final answer
    x = 128,326.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.