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Finding the Third Proportional to 90,480 and 133,017

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Solution

The third proportional to 90,480 and 133,017 is: 195,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,480 : 133,017 = 133,017 : x
  2. Step 2: Convert to fraction form
    90,480/133,017 = 133,017/x
  3. Step 3: Cross multiply
    90,480x = 133,017 × 133,017
  4. Step 4: Simplify right side
    90,480x = 17,693,522,289
  5. Step 5: Solve for x
    x = 17,693,522,289/90,480
  6. Step 6: Final answer
    x = 195,551.75

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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.