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Finding the Third Proportional to 153,274.78 and 336,791.67

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Solution

The third proportional to 153,274.78 and 336,791.67 is: 740,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,274.78 : 336,791.67 = 336,791.67 : x
  2. Step 2: Convert to fraction form
    153,274.78/336,791.67 = 336,791.67/x
  3. Step 3: Cross multiply
    153,274.78x = 336,791.67 × 336,791.67
  4. Step 4: Simplify right side
    153,274.78x = 113,428,630,244.36
  5. Step 5: Solve for x
    x = 113,428,630,244.36/153,274.78
  6. Step 6: Final answer
    x = 740,034.53

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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.