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Finding the Third Proportional to 543.38 and 1,025.44

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Solution

The third proportional to 543.38 and 1,025.44 is: 1,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.38 : 1,025.44 = 1,025.44 : x
  2. Step 2: Convert to fraction form
    543.38/1,025.44 = 1,025.44/x
  3. Step 3: Cross multiply
    543.38x = 1,025.44 × 1,025.44
  4. Step 4: Simplify right side
    543.38x = 1,051,522.07
  5. Step 5: Solve for x
    x = 1,051,522.07/543.38
  6. Step 6: Final answer
    x = 1,935.17

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.