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Finding the Third Proportional to 5,809.50 and 12,439.13

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Solution

The third proportional to 5,809.50 and 12,439.13 is: 26,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.50 : 12,439.13 = 12,439.13 : x
  2. Step 2: Convert to fraction form
    5,809.50/12,439.13 = 12,439.13/x
  3. Step 3: Cross multiply
    5,809.50x = 12,439.13 × 12,439.13
  4. Step 4: Simplify right side
    5,809.50x = 154,731,830.77
  5. Step 5: Solve for x
    x = 154,731,830.77/5,809.50
  6. Step 6: Final answer
    x = 26,634.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.