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Finding the Third Proportional to 146,387 and 214,000

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Solution

The third proportional to 146,387 and 214,000 is: 312,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,387 : 214,000 = 214,000 : x
  2. Step 2: Convert to fraction form
    146,387/214,000 = 214,000/x
  3. Step 3: Cross multiply
    146,387x = 214,000 × 214,000
  4. Step 4: Simplify right side
    146,387x = 45,796,000,000
  5. Step 5: Solve for x
    x = 45,796,000,000/146,387
  6. Step 6: Final answer
    x = 312,841.99

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.