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Finding the Third Proportional to 79,690 and 187,848

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Solution

The third proportional to 79,690 and 187,848 is: 442,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,690 : 187,848 = 187,848 : x
  2. Step 2: Convert to fraction form
    79,690/187,848 = 187,848/x
  3. Step 3: Cross multiply
    79,690x = 187,848 × 187,848
  4. Step 4: Simplify right side
    79,690x = 35,286,871,104
  5. Step 5: Solve for x
    x = 35,286,871,104/79,690
  6. Step 6: Final answer
    x = 442,801.75

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.