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Finding the Third Proportional to 48,405 and 71,179

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Solution

The third proportional to 48,405 and 71,179 is: 104,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405 : 71,179 = 71,179 : x
  2. Step 2: Convert to fraction form
    48,405/71,179 = 71,179/x
  3. Step 3: Cross multiply
    48,405x = 71,179 × 71,179
  4. Step 4: Simplify right side
    48,405x = 5,066,450,041
  5. Step 5: Solve for x
    x = 5,066,450,041/48,405
  6. Step 6: Final answer
    x = 104,667.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.