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Finding the Third Proportional to 115,557 and 248,360.25

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Solution

The third proportional to 115,557 and 248,360.25 is: 533,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,557 : 248,360.25 = 248,360.25 : x
  2. Step 2: Convert to fraction form
    115,557/248,360.25 = 248,360.25/x
  3. Step 3: Cross multiply
    115,557x = 248,360.25 × 248,360.25
  4. Step 4: Simplify right side
    115,557x = 61,682,813,780.06
  5. Step 5: Solve for x
    x = 61,682,813,780.06/115,557
  6. Step 6: Final answer
    x = 533,786.91

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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.