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Finding the Third Proportional to 166,680 and 360,019

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Solution

The third proportional to 166,680 and 360,019 is: 777,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,680 : 360,019 = 360,019 : x
  2. Step 2: Convert to fraction form
    166,680/360,019 = 360,019/x
  3. Step 3: Cross multiply
    166,680x = 360,019 × 360,019
  4. Step 4: Simplify right side
    166,680x = 129,613,680,361
  5. Step 5: Solve for x
    x = 129,613,680,361/166,680
  6. Step 6: Final answer
    x = 777,619.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.