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Finding the Third Proportional to 201,639 and 297,849

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Solution

The third proportional to 201,639 and 297,849 is: 439,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,639 : 297,849 = 297,849 : x
  2. Step 2: Convert to fraction form
    201,639/297,849 = 297,849/x
  3. Step 3: Cross multiply
    201,639x = 297,849 × 297,849
  4. Step 4: Simplify right side
    201,639x = 88,714,026,801
  5. Step 5: Solve for x
    x = 88,714,026,801/201,639
  6. Step 6: Final answer
    x = 439,964.62

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.