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Finding the Third Proportional to 214,904 and 505,508

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Solution

The third proportional to 214,904 and 505,508 is: 1,189,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,904 : 505,508 = 505,508 : x
  2. Step 2: Convert to fraction form
    214,904/505,508 = 505,508/x
  3. Step 3: Cross multiply
    214,904x = 505,508 × 505,508
  4. Step 4: Simplify right side
    214,904x = 255,538,338,064
  5. Step 5: Solve for x
    x = 255,538,338,064/214,904
  6. Step 6: Final answer
    x = 1,189,081.35

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.