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Finding the Third Proportional to 4,824 and 10,385

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Solution

The third proportional to 4,824 and 10,385 is: 22,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824 : 10,385 = 10,385 : x
  2. Step 2: Convert to fraction form
    4,824/10,385 = 10,385/x
  3. Step 3: Cross multiply
    4,824x = 10,385 × 10,385
  4. Step 4: Simplify right side
    4,824x = 107,848,225
  5. Step 5: Solve for x
    x = 107,848,225/4,824
  6. Step 6: Final answer
    x = 22,356.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.