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Finding the Third Proportional to 70,664 and 102,176

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Solution

The third proportional to 70,664 and 102,176 is: 147,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,664 : 102,176 = 102,176 : x
  2. Step 2: Convert to fraction form
    70,664/102,176 = 102,176/x
  3. Step 3: Cross multiply
    70,664x = 102,176 × 102,176
  4. Step 4: Simplify right side
    70,664x = 10,439,934,976
  5. Step 5: Solve for x
    x = 10,439,934,976/70,664
  6. Step 6: Final answer
    x = 147,740.50

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.