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Finding the Third Proportional to 5,280.19 and 11,297.81

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Solution

The third proportional to 5,280.19 and 11,297.81 is: 24,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.19 : 11,297.81 = 11,297.81 : x
  2. Step 2: Convert to fraction form
    5,280.19/11,297.81 = 11,297.81/x
  3. Step 3: Cross multiply
    5,280.19x = 11,297.81 × 11,297.81
  4. Step 4: Simplify right side
    5,280.19x = 127,640,567.29
  5. Step 5: Solve for x
    x = 127,640,567.29/5,280.19
  6. Step 6: Final answer
    x = 24,173.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.