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Finding the Third Proportional to 115,040.25 and 251,393.63

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Solution

The third proportional to 115,040.25 and 251,393.63 is: 549,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,040.25 : 251,393.63 = 251,393.63 : x
  2. Step 2: Convert to fraction form
    115,040.25/251,393.63 = 251,393.63/x
  3. Step 3: Cross multiply
    115,040.25x = 251,393.63 × 251,393.63
  4. Step 4: Simplify right side
    115,040.25x = 63,198,754,690.64
  5. Step 5: Solve for x
    x = 63,198,754,690.64/115,040.25
  6. Step 6: Final answer
    x = 549,362.11

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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.