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Finding the Third Proportional to 192,187,816 and 414,608,720

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Solution

The third proportional to 192,187,816 and 414,608,720 is: 894,439,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,187,816 : 414,608,720 = 414,608,720 : x
  2. Step 2: Convert to fraction form
    192,187,816/414,608,720 = 414,608,720/x
  3. Step 3: Cross multiply
    192,187,816x = 414,608,720 × 414,608,720
  4. Step 4: Simplify right side
    192,187,816x = 171,900,390,700,038,400
  5. Step 5: Solve for x
    x = 171,900,390,700,038,400/192,187,816
  6. Step 6: Final answer
    x = 894,439,586.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.