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Finding the Third Proportional to 115,570 and 248,636

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Solution

The third proportional to 115,570 and 248,636 is: 534,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,570 : 248,636 = 248,636 : x
  2. Step 2: Convert to fraction form
    115,570/248,636 = 248,636/x
  3. Step 3: Cross multiply
    115,570x = 248,636 × 248,636
  4. Step 4: Simplify right side
    115,570x = 61,819,860,496
  5. Step 5: Solve for x
    x = 61,819,860,496/115,570
  6. Step 6: Final answer
    x = 534,912.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.