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Finding the Third Proportional to 91,756.13 and 135,928.69

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Solution

The third proportional to 91,756.13 and 135,928.69 is: 201,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756.13 : 135,928.69 = 135,928.69 : x
  2. Step 2: Convert to fraction form
    91,756.13/135,928.69 = 135,928.69/x
  3. Step 3: Cross multiply
    91,756.13x = 135,928.69 × 135,928.69
  4. Step 4: Simplify right side
    91,756.13x = 18,476,608,085.47
  5. Step 5: Solve for x
    x = 18,476,608,085.47/91,756.13
  6. Step 6: Final answer
    x = 201,366.48

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.