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Finding the Third Proportional to 115,864 and 252,464

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Solution

The third proportional to 115,864 and 252,464 is: 550,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,864 : 252,464 = 252,464 : x
  2. Step 2: Convert to fraction form
    115,864/252,464 = 252,464/x
  3. Step 3: Cross multiply
    115,864x = 252,464 × 252,464
  4. Step 4: Simplify right side
    115,864x = 63,738,071,296
  5. Step 5: Solve for x
    x = 63,738,071,296/115,864
  6. Step 6: Final answer
    x = 550,111.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.