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Finding the Third Proportional to 11,421 and 24,279.75

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Solution

The third proportional to 11,421 and 24,279.75 is: 51,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421 : 24,279.75 = 24,279.75 : x
  2. Step 2: Convert to fraction form
    11,421/24,279.75 = 24,279.75/x
  3. Step 3: Cross multiply
    11,421x = 24,279.75 × 24,279.75
  4. Step 4: Simplify right side
    11,421x = 589,506,260.06
  5. Step 5: Solve for x
    x = 589,506,260.06/11,421
  6. Step 6: Final answer
    x = 51,615.99

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.