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Finding the Third Proportional to 53,276 and 116,920

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Solution

The third proportional to 53,276 and 116,920 is: 256,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,276 : 116,920 = 116,920 : x
  2. Step 2: Convert to fraction form
    53,276/116,920 = 116,920/x
  3. Step 3: Cross multiply
    53,276x = 116,920 × 116,920
  4. Step 4: Simplify right side
    53,276x = 13,670,286,400
  5. Step 5: Solve for x
    x = 13,670,286,400/53,276
  6. Step 6: Final answer
    x = 256,593.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.