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Finding the Third Proportional to 4,816 and 10,420

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Solution

The third proportional to 4,816 and 10,420 is: 22,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816 : 10,420 = 10,420 : x
  2. Step 2: Convert to fraction form
    4,816/10,420 = 10,420/x
  3. Step 3: Cross multiply
    4,816x = 10,420 × 10,420
  4. Step 4: Simplify right side
    4,816x = 108,576,400
  5. Step 5: Solve for x
    x = 108,576,400/4,816
  6. Step 6: Final answer
    x = 22,544.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.