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Finding the Third Proportional to 6,787 and 10,837.50

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Solution

The third proportional to 6,787 and 10,837.50 is: 17,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787 : 10,837.50 = 10,837.50 : x
  2. Step 2: Convert to fraction form
    6,787/10,837.50 = 10,837.50/x
  3. Step 3: Cross multiply
    6,787x = 10,837.50 × 10,837.50
  4. Step 4: Simplify right side
    6,787x = 117,451,406.25
  5. Step 5: Solve for x
    x = 117,451,406.25/6,787
  6. Step 6: Final answer
    x = 17,305.35

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.