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Finding the Third Proportional to 115,558.50 and 248,363.25

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Solution

The third proportional to 115,558.50 and 248,363.25 is: 533,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558.50 : 248,363.25 = 248,363.25 : x
  2. Step 2: Convert to fraction form
    115,558.50/248,363.25 = 248,363.25/x
  3. Step 3: Cross multiply
    115,558.50x = 248,363.25 × 248,363.25
  4. Step 4: Simplify right side
    115,558.50x = 61,684,303,950.56
  5. Step 5: Solve for x
    x = 61,684,303,950.56/115,558.50
  6. Step 6: Final answer
    x = 533,792.88

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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.