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Finding the Third Proportional to 5,490.75 and 12,075.75

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Solution

The third proportional to 5,490.75 and 12,075.75 is: 26,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.75 : 12,075.75 = 12,075.75 : x
  2. Step 2: Convert to fraction form
    5,490.75/12,075.75 = 12,075.75/x
  3. Step 3: Cross multiply
    5,490.75x = 12,075.75 × 12,075.75
  4. Step 4: Simplify right side
    5,490.75x = 145,823,738.06
  5. Step 5: Solve for x
    x = 145,823,738.06/5,490.75
  6. Step 6: Final answer
    x = 26,558.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.