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Finding the Third Proportional to 3,248 and 4,984

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Solution

The third proportional to 3,248 and 4,984 is: 7,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248 : 4,984 = 4,984 : x
  2. Step 2: Convert to fraction form
    3,248/4,984 = 4,984/x
  3. Step 3: Cross multiply
    3,248x = 4,984 × 4,984
  4. Step 4: Simplify right side
    3,248x = 24,840,256
  5. Step 5: Solve for x
    x = 24,840,256/3,248
  6. Step 6: Final answer
    x = 7,647.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.