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Finding the Third Proportional to 70,992 and 110,340

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Solution

The third proportional to 70,992 and 110,340 is: 171,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,992 : 110,340 = 110,340 : x
  2. Step 2: Convert to fraction form
    70,992/110,340 = 110,340/x
  3. Step 3: Cross multiply
    70,992x = 110,340 × 110,340
  4. Step 4: Simplify right side
    70,992x = 12,174,915,600
  5. Step 5: Solve for x
    x = 12,174,915,600/70,992
  6. Step 6: Final answer
    x = 171,497.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.