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Finding the Third Proportional to 48,134 and 70,745

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Solution

The third proportional to 48,134 and 70,745 is: 103,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,134 : 70,745 = 70,745 : x
  2. Step 2: Convert to fraction form
    48,134/70,745 = 70,745/x
  3. Step 3: Cross multiply
    48,134x = 70,745 × 70,745
  4. Step 4: Simplify right side
    48,134x = 5,004,855,025
  5. Step 5: Solve for x
    x = 5,004,855,025/48,134
  6. Step 6: Final answer
    x = 103,977.54

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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.