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Finding the Third Proportional to 286 and 537

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Solution

The third proportional to 286 and 537 is: 1,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286 : 537 = 537 : x
  2. Step 2: Convert to fraction form
    286/537 = 537/x
  3. Step 3: Cross multiply
    286x = 537 × 537
  4. Step 4: Simplify right side
    286x = 288,369
  5. Step 5: Solve for x
    x = 288,369/286
  6. Step 6: Final answer
    x = 1,008.28

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.