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Finding the Third Proportional to 28,887 and 62,511

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Solution

The third proportional to 28,887 and 62,511 is: 135,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887 : 62,511 = 62,511 : x
  2. Step 2: Convert to fraction form
    28,887/62,511 = 62,511/x
  3. Step 3: Cross multiply
    28,887x = 62,511 × 62,511
  4. Step 4: Simplify right side
    28,887x = 3,907,625,121
  5. Step 5: Solve for x
    x = 3,907,625,121/28,887
  6. Step 6: Final answer
    x = 135,272.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.