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Finding the Third Proportional to 531.38 and 1,143.94

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Solution

The third proportional to 531.38 and 1,143.94 is: 2,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.38 : 1,143.94 = 1,143.94 : x
  2. Step 2: Convert to fraction form
    531.38/1,143.94 = 1,143.94/x
  3. Step 3: Cross multiply
    531.38x = 1,143.94 × 1,143.94
  4. Step 4: Simplify right side
    531.38x = 1,308,593.00
  5. Step 5: Solve for x
    x = 1,308,593.00/531.38
  6. Step 6: Final answer
    x = 2,462.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.