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Finding the Third Proportional to 102,212 and 155,048

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Solution

The third proportional to 102,212 and 155,048 is: 235,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212 : 155,048 = 155,048 : x
  2. Step 2: Convert to fraction form
    102,212/155,048 = 155,048/x
  3. Step 3: Cross multiply
    102,212x = 155,048 × 155,048
  4. Step 4: Simplify right side
    102,212x = 24,039,882,304
  5. Step 5: Solve for x
    x = 24,039,882,304/102,212
  6. Step 6: Final answer
    x = 235,196.28

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.