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Finding the Third Proportional to 90,432.75 and 133,035

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Solution

The third proportional to 90,432.75 and 133,035 is: 195,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.75 : 133,035 = 133,035 : x
  2. Step 2: Convert to fraction form
    90,432.75/133,035 = 133,035/x
  3. Step 3: Cross multiply
    90,432.75x = 133,035 × 133,035
  4. Step 4: Simplify right side
    90,432.75x = 17,698,311,225
  5. Step 5: Solve for x
    x = 17,698,311,225/90,432.75
  6. Step 6: Final answer
    x = 195,706.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.