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Finding the Third Proportional to 28,938 and 48,012

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Solution

The third proportional to 28,938 and 48,012 is: 79,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938 : 48,012 = 48,012 : x
  2. Step 2: Convert to fraction form
    28,938/48,012 = 48,012/x
  3. Step 3: Cross multiply
    28,938x = 48,012 × 48,012
  4. Step 4: Simplify right side
    28,938x = 2,305,152,144
  5. Step 5: Solve for x
    x = 2,305,152,144/28,938
  6. Step 6: Final answer
    x = 79,658.31

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.