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Finding the Third Proportional to 99,951 and 214,723

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Solution

The third proportional to 99,951 and 214,723 is: 461,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,951 : 214,723 = 214,723 : x
  2. Step 2: Convert to fraction form
    99,951/214,723 = 214,723/x
  3. Step 3: Cross multiply
    99,951x = 214,723 × 214,723
  4. Step 4: Simplify right side
    99,951x = 46,105,966,729
  5. Step 5: Solve for x
    x = 46,105,966,729/99,951
  6. Step 6: Final answer
    x = 461,285.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.