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Finding the Third Proportional to 147,626 and 229,215

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Solution

The third proportional to 147,626 and 229,215 is: 355,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,626 : 229,215 = 229,215 : x
  2. Step 2: Convert to fraction form
    147,626/229,215 = 229,215/x
  3. Step 3: Cross multiply
    147,626x = 229,215 × 229,215
  4. Step 4: Simplify right side
    147,626x = 52,539,516,225
  5. Step 5: Solve for x
    x = 52,539,516,225/147,626
  6. Step 6: Final answer
    x = 355,896.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.