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Finding the Third Proportional to 182,330 and 393,820

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Solution

The third proportional to 182,330 and 393,820 is: 850,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,330 : 393,820 = 393,820 : x
  2. Step 2: Convert to fraction form
    182,330/393,820 = 393,820/x
  3. Step 3: Cross multiply
    182,330x = 393,820 × 393,820
  4. Step 4: Simplify right side
    182,330x = 155,094,192,400
  5. Step 5: Solve for x
    x = 155,094,192,400/182,330
  6. Step 6: Final answer
    x = 850,623.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.