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Finding the Third Proportional to 5,768 and 10,220

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Solution

The third proportional to 5,768 and 10,220 is: 18,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768 : 10,220 = 10,220 : x
  2. Step 2: Convert to fraction form
    5,768/10,220 = 10,220/x
  3. Step 3: Cross multiply
    5,768x = 10,220 × 10,220
  4. Step 4: Simplify right side
    5,768x = 104,448,400
  5. Step 5: Solve for x
    x = 104,448,400/5,768
  6. Step 6: Final answer
    x = 18,108.25

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.