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Finding the Third Proportional to 115,717 and 253,627

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Solution

The third proportional to 115,717 and 253,627 is: 555,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,717 : 253,627 = 253,627 : x
  2. Step 2: Convert to fraction form
    115,717/253,627 = 253,627/x
  3. Step 3: Cross multiply
    115,717x = 253,627 × 253,627
  4. Step 4: Simplify right side
    115,717x = 64,326,655,129
  5. Step 5: Solve for x
    x = 64,326,655,129/115,717
  6. Step 6: Final answer
    x = 555,896.33

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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.