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Finding the Third Proportional to 69,176 and 146,614

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Solution

The third proportional to 69,176 and 146,614 is: 310,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,176 : 146,614 = 146,614 : x
  2. Step 2: Convert to fraction form
    69,176/146,614 = 146,614/x
  3. Step 3: Cross multiply
    69,176x = 146,614 × 146,614
  4. Step 4: Simplify right side
    69,176x = 21,495,664,996
  5. Step 5: Solve for x
    x = 21,495,664,996/69,176
  6. Step 6: Final answer
    x = 310,738.77

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.