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Finding the Third Proportional to 537 and 842

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Solution

The third proportional to 537 and 842 is: 1,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    537 : 842 = 842 : x
  2. Step 2: Convert to fraction form
    537/842 = 842/x
  3. Step 3: Cross multiply
    537x = 842 × 842
  4. Step 4: Simplify right side
    537x = 708,964
  5. Step 5: Solve for x
    x = 708,964/537
  6. Step 6: Final answer
    x = 1,320.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.