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Finding the Third Proportional to 70,868.53 and 154,191.09

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Solution

The third proportional to 70,868.53 and 154,191.09 is: 335,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,868.53 : 154,191.09 = 154,191.09 : x
  2. Step 2: Convert to fraction form
    70,868.53/154,191.09 = 154,191.09/x
  3. Step 3: Cross multiply
    70,868.53x = 154,191.09 × 154,191.09
  4. Step 4: Simplify right side
    70,868.53x = 23,774,893,391.82
  5. Step 5: Solve for x
    x = 23,774,893,391.82/70,868.53
  6. Step 6: Final answer
    x = 335,478.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.