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Finding the Third Proportional to 133,864 and 291,055

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Solution

The third proportional to 133,864 and 291,055 is: 632,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,864 : 291,055 = 291,055 : x
  2. Step 2: Convert to fraction form
    133,864/291,055 = 291,055/x
  3. Step 3: Cross multiply
    133,864x = 291,055 × 291,055
  4. Step 4: Simplify right side
    133,864x = 84,713,013,025
  5. Step 5: Solve for x
    x = 84,713,013,025/133,864
  6. Step 6: Final answer
    x = 632,828.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.