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Finding the Third Proportional to 234,128 and 505,696

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Solution

The third proportional to 234,128 and 505,696 is: 1,092,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,128 : 505,696 = 505,696 : x
  2. Step 2: Convert to fraction form
    234,128/505,696 = 505,696/x
  3. Step 3: Cross multiply
    234,128x = 505,696 × 505,696
  4. Step 4: Simplify right side
    234,128x = 255,728,444,416
  5. Step 5: Solve for x
    x = 255,728,444,416/234,128
  6. Step 6: Final answer
    x = 1,092,259.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.