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Finding the Third Proportional to 140,104 and 210,186

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Solution

The third proportional to 140,104 and 210,186 is: 315,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,104 : 210,186 = 210,186 : x
  2. Step 2: Convert to fraction form
    140,104/210,186 = 210,186/x
  3. Step 3: Cross multiply
    140,104x = 210,186 × 210,186
  4. Step 4: Simplify right side
    140,104x = 44,178,154,596
  5. Step 5: Solve for x
    x = 44,178,154,596/140,104
  6. Step 6: Final answer
    x = 315,324.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.