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Finding the Third Proportional to 127,186 and 196,762.75

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Solution

The third proportional to 127,186 and 196,762.75 is: 304,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,186 : 196,762.75 = 196,762.75 : x
  2. Step 2: Convert to fraction form
    127,186/196,762.75 = 196,762.75/x
  3. Step 3: Cross multiply
    127,186x = 196,762.75 × 196,762.75
  4. Step 4: Simplify right side
    127,186x = 38,715,579,787.56
  5. Step 5: Solve for x
    x = 38,715,579,787.56/127,186
  6. Step 6: Final answer
    x = 304,401.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.