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Finding the Third Proportional to 161,372 and 248,861

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Solution

The third proportional to 161,372 and 248,861 is: 383,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,372 : 248,861 = 248,861 : x
  2. Step 2: Convert to fraction form
    161,372/248,861 = 248,861/x
  3. Step 3: Cross multiply
    161,372x = 248,861 × 248,861
  4. Step 4: Simplify right side
    161,372x = 61,931,797,321
  5. Step 5: Solve for x
    x = 61,931,797,321/161,372
  6. Step 6: Final answer
    x = 383,782.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.