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Finding the Third Proportional to 553.75 and 1,164.88

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Solution

The third proportional to 553.75 and 1,164.88 is: 2,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    553.75 : 1,164.88 = 1,164.88 : x
  2. Step 2: Convert to fraction form
    553.75/1,164.88 = 1,164.88/x
  3. Step 3: Cross multiply
    553.75x = 1,164.88 × 1,164.88
  4. Step 4: Simplify right side
    553.75x = 1,356,933.77
  5. Step 5: Solve for x
    x = 1,356,933.77/553.75
  6. Step 6: Final answer
    x = 2,450.44

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.