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Finding the Third Proportional to 51,261.75 and 113,186.25

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Solution

The third proportional to 51,261.75 and 113,186.25 is: 249,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.75 : 113,186.25 = 113,186.25 : x
  2. Step 2: Convert to fraction form
    51,261.75/113,186.25 = 113,186.25/x
  3. Step 3: Cross multiply
    51,261.75x = 113,186.25 × 113,186.25
  4. Step 4: Simplify right side
    51,261.75x = 12,811,127,189.06
  5. Step 5: Solve for x
    x = 12,811,127,189.06/51,261.75
  6. Step 6: Final answer
    x = 249,915.92

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.