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Finding the Third Proportional to 6,975 and 10,705.50

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Solution

The third proportional to 6,975 and 10,705.50 is: 16,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975 : 10,705.50 = 10,705.50 : x
  2. Step 2: Convert to fraction form
    6,975/10,705.50 = 10,705.50/x
  3. Step 3: Cross multiply
    6,975x = 10,705.50 × 10,705.50
  4. Step 4: Simplify right side
    6,975x = 114,607,730.25
  5. Step 5: Solve for x
    x = 114,607,730.25/6,975
  6. Step 6: Final answer
    x = 16,431.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.