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Finding the Third Proportional to 48,619 and 62,119.50

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Solution

The third proportional to 48,619 and 62,119.50 is: 79,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619 : 62,119.50 = 62,119.50 : x
  2. Step 2: Convert to fraction form
    48,619/62,119.50 = 62,119.50/x
  3. Step 3: Cross multiply
    48,619x = 62,119.50 × 62,119.50
  4. Step 4: Simplify right side
    48,619x = 3,858,832,280.25
  5. Step 5: Solve for x
    x = 3,858,832,280.25/48,619
  6. Step 6: Final answer
    x = 79,368.81

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.