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Finding the Third Proportional to 28,168 and 52,787

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Solution

The third proportional to 28,168 and 52,787 is: 98,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168 : 52,787 = 52,787 : x
  2. Step 2: Convert to fraction form
    28,168/52,787 = 52,787/x
  3. Step 3: Cross multiply
    28,168x = 52,787 × 52,787
  4. Step 4: Simplify right side
    28,168x = 2,786,467,369
  5. Step 5: Solve for x
    x = 2,786,467,369/28,168
  6. Step 6: Final answer
    x = 98,923.15

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.