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Finding the Third Proportional to 28,620 and 41,832

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Solution

The third proportional to 28,620 and 41,832 is: 61,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620 : 41,832 = 41,832 : x
  2. Step 2: Convert to fraction form
    28,620/41,832 = 41,832/x
  3. Step 3: Cross multiply
    28,620x = 41,832 × 41,832
  4. Step 4: Simplify right side
    28,620x = 1,749,916,224
  5. Step 5: Solve for x
    x = 1,749,916,224/28,620
  6. Step 6: Final answer
    x = 61,143.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.