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Finding the Third Proportional to 53,586 and 115,386

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Solution

The third proportional to 53,586 and 115,386 is: 248,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586 : 115,386 = 115,386 : x
  2. Step 2: Convert to fraction form
    53,586/115,386 = 115,386/x
  3. Step 3: Cross multiply
    53,586x = 115,386 × 115,386
  4. Step 4: Simplify right side
    53,586x = 13,313,928,996
  5. Step 5: Solve for x
    x = 13,313,928,996/53,586
  6. Step 6: Final answer
    x = 248,459.09

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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.