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Finding the Third Proportional to 28,728 and 46,125

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Solution

The third proportional to 28,728 and 46,125 is: 74,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728 : 46,125 = 46,125 : x
  2. Step 2: Convert to fraction form
    28,728/46,125 = 46,125/x
  3. Step 3: Cross multiply
    28,728x = 46,125 × 46,125
  4. Step 4: Simplify right side
    28,728x = 2,127,515,625
  5. Step 5: Solve for x
    x = 2,127,515,625/28,728
  6. Step 6: Final answer
    x = 74,057.21

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.