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Finding the Third Proportional to 182,822 and 400,620

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Solution

The third proportional to 182,822 and 400,620 is: 877,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,822 : 400,620 = 400,620 : x
  2. Step 2: Convert to fraction form
    182,822/400,620 = 400,620/x
  3. Step 3: Cross multiply
    182,822x = 400,620 × 400,620
  4. Step 4: Simplify right side
    182,822x = 160,496,384,400
  5. Step 5: Solve for x
    x = 160,496,384,400/182,822
  6. Step 6: Final answer
    x = 877,883.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.