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Finding the Third Proportional to 74,556 and 160,235

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Solution

The third proportional to 74,556 and 160,235 is: 344,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,556 : 160,235 = 160,235 : x
  2. Step 2: Convert to fraction form
    74,556/160,235 = 160,235/x
  3. Step 3: Cross multiply
    74,556x = 160,235 × 160,235
  4. Step 4: Simplify right side
    74,556x = 25,675,255,225
  5. Step 5: Solve for x
    x = 25,675,255,225/74,556
  6. Step 6: Final answer
    x = 344,375.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.