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Finding the Third Proportional to 146,510 and 220,155

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Solution

The third proportional to 146,510 and 220,155 is: 330,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,510 : 220,155 = 220,155 : x
  2. Step 2: Convert to fraction form
    146,510/220,155 = 220,155/x
  3. Step 3: Cross multiply
    146,510x = 220,155 × 220,155
  4. Step 4: Simplify right side
    146,510x = 48,468,224,025
  5. Step 5: Solve for x
    x = 48,468,224,025/146,510
  6. Step 6: Final answer
    x = 330,818.54

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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.