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Finding the Third Proportional to 5,586.75 and 10,381.50

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Solution

The third proportional to 5,586.75 and 10,381.50 is: 19,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.75 : 10,381.50 = 10,381.50 : x
  2. Step 2: Convert to fraction form
    5,586.75/10,381.50 = 10,381.50/x
  3. Step 3: Cross multiply
    5,586.75x = 10,381.50 × 10,381.50
  4. Step 4: Simplify right side
    5,586.75x = 107,775,542.25
  5. Step 5: Solve for x
    x = 107,775,542.25/5,586.75
  6. Step 6: Final answer
    x = 19,291.28

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.