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Finding the Third Proportional to 203,176 and 445,724

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Solution

The third proportional to 203,176 and 445,724 is: 977,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,176 : 445,724 = 445,724 : x
  2. Step 2: Convert to fraction form
    203,176/445,724 = 445,724/x
  3. Step 3: Cross multiply
    203,176x = 445,724 × 445,724
  4. Step 4: Simplify right side
    203,176x = 198,669,884,176
  5. Step 5: Solve for x
    x = 198,669,884,176/203,176
  6. Step 6: Final answer
    x = 977,821.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.