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Finding the Third Proportional to 102,802 and 219,176

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Solution

The third proportional to 102,802 and 219,176 is: 467,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,802 : 219,176 = 219,176 : x
  2. Step 2: Convert to fraction form
    102,802/219,176 = 219,176/x
  3. Step 3: Cross multiply
    102,802x = 219,176 × 219,176
  4. Step 4: Simplify right side
    102,802x = 48,038,118,976
  5. Step 5: Solve for x
    x = 48,038,118,976/102,802
  6. Step 6: Final answer
    x = 467,287.79

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.