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Finding the Third Proportional to 280,218 and 446,101

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Solution

The third proportional to 280,218 and 446,101 is: 710,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,218 : 446,101 = 446,101 : x
  2. Step 2: Convert to fraction form
    280,218/446,101 = 446,101/x
  3. Step 3: Cross multiply
    280,218x = 446,101 × 446,101
  4. Step 4: Simplify right side
    280,218x = 199,006,102,201
  5. Step 5: Solve for x
    x = 199,006,102,201/280,218
  6. Step 6: Final answer
    x = 710,183.15

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.