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Finding the Third Proportional to 77,567.25 and 111,837.75

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Solution

The third proportional to 77,567.25 and 111,837.75 is: 161,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567.25 : 111,837.75 = 111,837.75 : x
  2. Step 2: Convert to fraction form
    77,567.25/111,837.75 = 111,837.75/x
  3. Step 3: Cross multiply
    77,567.25x = 111,837.75 × 111,837.75
  4. Step 4: Simplify right side
    77,567.25x = 12,507,682,325.06
  5. Step 5: Solve for x
    x = 12,507,682,325.06/77,567.25
  6. Step 6: Final answer
    x = 161,249.53

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.