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Finding the Third Proportional to 414,480 and 608,112

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Solution

The third proportional to 414,480 and 608,112 is: 892,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,480 : 608,112 = 608,112 : x
  2. Step 2: Convert to fraction form
    414,480/608,112 = 608,112/x
  3. Step 3: Cross multiply
    414,480x = 608,112 × 608,112
  4. Step 4: Simplify right side
    414,480x = 369,800,204,544
  5. Step 5: Solve for x
    x = 369,800,204,544/414,480
  6. Step 6: Final answer
    x = 892,202.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.