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Finding the Third Proportional to 102,576 and 155,230

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Solution

The third proportional to 102,576 and 155,230 is: 234,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,576 : 155,230 = 155,230 : x
  2. Step 2: Convert to fraction form
    102,576/155,230 = 155,230/x
  3. Step 3: Cross multiply
    102,576x = 155,230 × 155,230
  4. Step 4: Simplify right side
    102,576x = 24,096,352,900
  5. Step 5: Solve for x
    x = 24,096,352,900/102,576
  6. Step 6: Final answer
    x = 234,912.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.