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Finding the Third Proportional to 1,551.50 and 3,325.11

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Solution

The third proportional to 1,551.50 and 3,325.11 is: 7,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.50 : 3,325.11 = 3,325.11 : x
  2. Step 2: Convert to fraction form
    1,551.50/3,325.11 = 3,325.11/x
  3. Step 3: Cross multiply
    1,551.50x = 3,325.11 × 3,325.11
  4. Step 4: Simplify right side
    1,551.50x = 11,056,378.33
  5. Step 5: Solve for x
    x = 11,056,378.33/1,551.50
  6. Step 6: Final answer
    x = 7,126.26

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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.