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Finding the Third Proportional to 35,372 and 77,305

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Solution

The third proportional to 35,372 and 77,305 is: 168,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372 : 77,305 = 77,305 : x
  2. Step 2: Convert to fraction form
    35,372/77,305 = 77,305/x
  3. Step 3: Cross multiply
    35,372x = 77,305 × 77,305
  4. Step 4: Simplify right side
    35,372x = 5,976,063,025
  5. Step 5: Solve for x
    x = 5,976,063,025/35,372
  6. Step 6: Final answer
    x = 168,948.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.