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Finding the Third Proportional to 126,594 and 196,803

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Solution

The third proportional to 126,594 and 196,803 is: 305,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,594 : 196,803 = 196,803 : x
  2. Step 2: Convert to fraction form
    126,594/196,803 = 196,803/x
  3. Step 3: Cross multiply
    126,594x = 196,803 × 196,803
  4. Step 4: Simplify right side
    126,594x = 38,731,420,809
  5. Step 5: Solve for x
    x = 38,731,420,809/126,594
  6. Step 6: Final answer
    x = 305,949.89

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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.