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Finding the Third Proportional to 56,791.13 and 85,186.69

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Solution

The third proportional to 56,791.13 and 85,186.69 is: 127,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,791.13 : 85,186.69 = 85,186.69 : x
  2. Step 2: Convert to fraction form
    56,791.13/85,186.69 = 85,186.69/x
  3. Step 3: Cross multiply
    56,791.13x = 85,186.69 × 85,186.69
  4. Step 4: Simplify right side
    56,791.13x = 7,256,771,727.22
  5. Step 5: Solve for x
    x = 7,256,771,727.22/56,791.13
  6. Step 6: Final answer
    x = 127,780.03

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