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Finding the Third Proportional to 91,134.75 and 140,508.75

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Solution

The third proportional to 91,134.75 and 140,508.75 is: 216,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.75 : 140,508.75 = 140,508.75 : x
  2. Step 2: Convert to fraction form
    91,134.75/140,508.75 = 140,508.75/x
  3. Step 3: Cross multiply
    91,134.75x = 140,508.75 × 140,508.75
  4. Step 4: Simplify right side
    91,134.75x = 19,742,708,826.56
  5. Step 5: Solve for x
    x = 19,742,708,826.56/91,134.75
  6. Step 6: Final answer
    x = 216,632.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.