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Finding the Third Proportional to 153,195 and 324,054

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Solution

The third proportional to 153,195 and 324,054 is: 685,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,195 : 324,054 = 324,054 : x
  2. Step 2: Convert to fraction form
    153,195/324,054 = 324,054/x
  3. Step 3: Cross multiply
    153,195x = 324,054 × 324,054
  4. Step 4: Simplify right side
    153,195x = 105,010,994,916
  5. Step 5: Solve for x
    x = 105,010,994,916/153,195
  6. Step 6: Final answer
    x = 685,472.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.