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Finding the Third Proportional to 29,420 and 57,364

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Solution

The third proportional to 29,420 and 57,364 is: 111,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420 : 57,364 = 57,364 : x
  2. Step 2: Convert to fraction form
    29,420/57,364 = 57,364/x
  3. Step 3: Cross multiply
    29,420x = 57,364 × 57,364
  4. Step 4: Simplify right side
    29,420x = 3,290,628,496
  5. Step 5: Solve for x
    x = 3,290,628,496/29,420
  6. Step 6: Final answer
    x = 111,850.05

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.