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Finding the Third Proportional to 48,156 and 72,102

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Solution

The third proportional to 48,156 and 72,102 is: 107,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,156 : 72,102 = 72,102 : x
  2. Step 2: Convert to fraction form
    48,156/72,102 = 72,102/x
  3. Step 3: Cross multiply
    48,156x = 72,102 × 72,102
  4. Step 4: Simplify right side
    48,156x = 5,198,698,404
  5. Step 5: Solve for x
    x = 5,198,698,404/48,156
  6. Step 6: Final answer
    x = 107,955.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.