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Finding the Third Proportional to 4,819 and 9,926

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Solution

The third proportional to 4,819 and 9,926 is: 20,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819 : 9,926 = 9,926 : x
  2. Step 2: Convert to fraction form
    4,819/9,926 = 9,926/x
  3. Step 3: Cross multiply
    4,819x = 9,926 × 9,926
  4. Step 4: Simplify right side
    4,819x = 98,525,476
  5. Step 5: Solve for x
    x = 98,525,476/4,819
  6. Step 6: Final answer
    x = 20,445.21

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.