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Finding the Third Proportional to 3,088 and 3,942

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Solution

The third proportional to 3,088 and 3,942 is: 5,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088 : 3,942 = 3,942 : x
  2. Step 2: Convert to fraction form
    3,088/3,942 = 3,942/x
  3. Step 3: Cross multiply
    3,088x = 3,942 × 3,942
  4. Step 4: Simplify right side
    3,088x = 15,539,364
  5. Step 5: Solve for x
    x = 15,539,364/3,088
  6. Step 6: Final answer
    x = 5,032.18

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.