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Finding the Third Proportional to 182,680.88 and 398,561.63

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Solution

The third proportional to 182,680.88 and 398,561.63 is: 869,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,680.88 : 398,561.63 = 398,561.63 : x
  2. Step 2: Convert to fraction form
    182,680.88/398,561.63 = 398,561.63/x
  3. Step 3: Cross multiply
    182,680.88x = 398,561.63 × 398,561.63
  4. Step 4: Simplify right side
    182,680.88x = 158,851,368,922.64
  5. Step 5: Solve for x
    x = 158,851,368,922.64/182,680.88
  6. Step 6: Final answer
    x = 869,556.65

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.