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Finding the Third Proportional to 133,905 and 177,711.75

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Solution

The third proportional to 133,905 and 177,711.75 is: 235,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,905 : 177,711.75 = 177,711.75 : x
  2. Step 2: Convert to fraction form
    133,905/177,711.75 = 177,711.75/x
  3. Step 3: Cross multiply
    133,905x = 177,711.75 × 177,711.75
  4. Step 4: Simplify right side
    133,905x = 31,581,466,088.06
  5. Step 5: Solve for x
    x = 31,581,466,088.06/133,905
  6. Step 6: Final answer
    x = 235,849.79

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.