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Finding the Third Proportional to 39,104 and 76,248

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Solution

The third proportional to 39,104 and 76,248 is: 148,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104 : 76,248 = 76,248 : x
  2. Step 2: Convert to fraction form
    39,104/76,248 = 76,248/x
  3. Step 3: Cross multiply
    39,104x = 76,248 × 76,248
  4. Step 4: Simplify right side
    39,104x = 5,813,757,504
  5. Step 5: Solve for x
    x = 5,813,757,504/39,104
  6. Step 6: Final answer
    x = 148,674.24

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.