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Finding the Third Proportional to 111,957 and 236,553

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Solution

The third proportional to 111,957 and 236,553 is: 499,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,957 : 236,553 = 236,553 : x
  2. Step 2: Convert to fraction form
    111,957/236,553 = 236,553/x
  3. Step 3: Cross multiply
    111,957x = 236,553 × 236,553
  4. Step 4: Simplify right side
    111,957x = 55,957,321,809
  5. Step 5: Solve for x
    x = 55,957,321,809/111,957
  6. Step 6: Final answer
    x = 499,810.84

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.