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Finding the Third Proportional to 543 and 959

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Solution

The third proportional to 543 and 959 is: 1,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543 : 959 = 959 : x
  2. Step 2: Convert to fraction form
    543/959 = 959/x
  3. Step 3: Cross multiply
    543x = 959 × 959
  4. Step 4: Simplify right side
    543x = 919,681
  5. Step 5: Solve for x
    x = 919,681/543
  6. Step 6: Final answer
    x = 1,693.70

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.