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Finding the Third Proportional to 28,995 and 62,787

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Solution

The third proportional to 28,995 and 62,787 is: 135,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995 : 62,787 = 62,787 : x
  2. Step 2: Convert to fraction form
    28,995/62,787 = 62,787/x
  3. Step 3: Cross multiply
    28,995x = 62,787 × 62,787
  4. Step 4: Simplify right side
    28,995x = 3,942,207,369
  5. Step 5: Solve for x
    x = 3,942,207,369/28,995
  6. Step 6: Final answer
    x = 135,961.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.