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Finding the Third Proportional to 154,376 and 230,988

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Solution

The third proportional to 154,376 and 230,988 is: 345,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,376 : 230,988 = 230,988 : x
  2. Step 2: Convert to fraction form
    154,376/230,988 = 230,988/x
  3. Step 3: Cross multiply
    154,376x = 230,988 × 230,988
  4. Step 4: Simplify right side
    154,376x = 53,355,456,144
  5. Step 5: Solve for x
    x = 53,355,456,144/154,376
  6. Step 6: Final answer
    x = 345,620.15

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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.