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Finding the Third Proportional to 8,820 and 13,506.75

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Solution

The third proportional to 8,820 and 13,506.75 is: 20,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820 : 13,506.75 = 13,506.75 : x
  2. Step 2: Convert to fraction form
    8,820/13,506.75 = 13,506.75/x
  3. Step 3: Cross multiply
    8,820x = 13,506.75 × 13,506.75
  4. Step 4: Simplify right side
    8,820x = 182,432,295.56
  5. Step 5: Solve for x
    x = 182,432,295.56/8,820
  6. Step 6: Final answer
    x = 20,683.93

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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.