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Finding the Third Proportional to 3,530.25 and 6,971.63

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Solution

The third proportional to 3,530.25 and 6,971.63 is: 13,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.25 : 6,971.63 = 6,971.63 : x
  2. Step 2: Convert to fraction form
    3,530.25/6,971.63 = 6,971.63/x
  3. Step 3: Cross multiply
    3,530.25x = 6,971.63 × 6,971.63
  4. Step 4: Simplify right side
    3,530.25x = 48,603,555.14
  5. Step 5: Solve for x
    x = 48,603,555.14/3,530.25
  6. Step 6: Final answer
    x = 13,767.74

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.