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Finding the Third Proportional to 4,262 and 4,892

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Solution

The third proportional to 4,262 and 4,892 is: 5,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262 : 4,892 = 4,892 : x
  2. Step 2: Convert to fraction form
    4,262/4,892 = 4,892/x
  3. Step 3: Cross multiply
    4,262x = 4,892 × 4,892
  4. Step 4: Simplify right side
    4,262x = 23,931,664
  5. Step 5: Solve for x
    x = 23,931,664/4,262
  6. Step 6: Final answer
    x = 5,615.13

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.