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Finding the Third Proportional to 71,010.11 and 155,380.46

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Solution

The third proportional to 71,010.11 and 155,380.46 is: 339,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.11 : 155,380.46 = 155,380.46 : x
  2. Step 2: Convert to fraction form
    71,010.11/155,380.46 = 155,380.46/x
  3. Step 3: Cross multiply
    71,010.11x = 155,380.46 × 155,380.46
  4. Step 4: Simplify right side
    71,010.11x = 24,143,088,855.06
  5. Step 5: Solve for x
    x = 24,143,088,855.06/71,010.11
  6. Step 6: Final answer
    x = 339,995.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.