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Finding the Third Proportional to 5,229 and 11,421

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Solution

The third proportional to 5,229 and 11,421 is: 24,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229 : 11,421 = 11,421 : x
  2. Step 2: Convert to fraction form
    5,229/11,421 = 11,421/x
  3. Step 3: Cross multiply
    5,229x = 11,421 × 11,421
  4. Step 4: Simplify right side
    5,229x = 130,439,241
  5. Step 5: Solve for x
    x = 130,439,241/5,229
  6. Step 6: Final answer
    x = 24,945.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.