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Finding the Third Proportional to 103,904 and 155,856

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Solution

The third proportional to 103,904 and 155,856 is: 233,784

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,904 : 155,856 = 155,856 : x
  2. Step 2: Convert to fraction form
    103,904/155,856 = 155,856/x
  3. Step 3: Cross multiply
    103,904x = 155,856 × 155,856
  4. Step 4: Simplify right side
    103,904x = 24,291,092,736
  5. Step 5: Solve for x
    x = 24,291,092,736/103,904
  6. Step 6: Final answer
    x = 233,784

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.