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Finding the Third Proportional to 35,954 and 78,396

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Solution

The third proportional to 35,954 and 78,396 is: 170,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954 : 78,396 = 78,396 : x
  2. Step 2: Convert to fraction form
    35,954/78,396 = 78,396/x
  3. Step 3: Cross multiply
    35,954x = 78,396 × 78,396
  4. Step 4: Simplify right side
    35,954x = 6,145,932,816
  5. Step 5: Solve for x
    x = 6,145,932,816/35,954
  6. Step 6: Final answer
    x = 170,938.78

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Why These Related Problems?

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