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Finding the Third Proportional to 182,189 and 400,248

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Solution

The third proportional to 182,189 and 400,248 is: 879,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,189 : 400,248 = 400,248 : x
  2. Step 2: Convert to fraction form
    182,189/400,248 = 400,248/x
  3. Step 3: Cross multiply
    182,189x = 400,248 × 400,248
  4. Step 4: Simplify right side
    182,189x = 160,198,461,504
  5. Step 5: Solve for x
    x = 160,198,461,504/182,189
  6. Step 6: Final answer
    x = 879,298.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.