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Finding the Third Proportional to 29,340 and 57,210

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Solution

The third proportional to 29,340 and 57,210 is: 111,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340 : 57,210 = 57,210 : x
  2. Step 2: Convert to fraction form
    29,340/57,210 = 57,210/x
  3. Step 3: Cross multiply
    29,340x = 57,210 × 57,210
  4. Step 4: Simplify right side
    29,340x = 3,272,984,100
  5. Step 5: Solve for x
    x = 3,272,984,100/29,340
  6. Step 6: Final answer
    x = 111,553.65

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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.