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Finding the Third Proportional to 70,869 and 106,624

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Solution

The third proportional to 70,869 and 106,624 is: 160,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869 : 106,624 = 106,624 : x
  2. Step 2: Convert to fraction form
    70,869/106,624 = 106,624/x
  3. Step 3: Cross multiply
    70,869x = 106,624 × 106,624
  4. Step 4: Simplify right side
    70,869x = 11,368,677,376
  5. Step 5: Solve for x
    x = 11,368,677,376/70,869
  6. Step 6: Final answer
    x = 160,418.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.