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Finding the Third Proportional to 71,330 and 110,392

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Solution

The third proportional to 71,330 and 110,392 is: 170,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330 : 110,392 = 110,392 : x
  2. Step 2: Convert to fraction form
    71,330/110,392 = 110,392/x
  3. Step 3: Cross multiply
    71,330x = 110,392 × 110,392
  4. Step 4: Simplify right side
    71,330x = 12,186,393,664
  5. Step 5: Solve for x
    x = 12,186,393,664/71,330
  6. Step 6: Final answer
    x = 170,845.28

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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.