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Finding the Third Proportional to 74,820 and 160,149

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Solution

The third proportional to 74,820 and 160,149 is: 342,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,820 : 160,149 = 160,149 : x
  2. Step 2: Convert to fraction form
    74,820/160,149 = 160,149/x
  3. Step 3: Cross multiply
    74,820x = 160,149 × 160,149
  4. Step 4: Simplify right side
    74,820x = 25,647,702,201
  5. Step 5: Solve for x
    x = 25,647,702,201/74,820
  6. Step 6: Final answer
    x = 342,792.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.