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Finding the Third Proportional to 84,568 and 133,808

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Solution

The third proportional to 84,568 and 133,808 is: 211,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,568 : 133,808 = 133,808 : x
  2. Step 2: Convert to fraction form
    84,568/133,808 = 133,808/x
  3. Step 3: Cross multiply
    84,568x = 133,808 × 133,808
  4. Step 4: Simplify right side
    84,568x = 17,904,580,864
  5. Step 5: Solve for x
    x = 17,904,580,864/84,568
  6. Step 6: Final answer
    x = 211,718.15

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.