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Finding the Third Proportional to 195,661,520 and 426,481,254

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Solution

The third proportional to 195,661,520 and 426,481,254 is: 929,596,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,661,520 : 426,481,254 = 426,481,254 : x
  2. Step 2: Convert to fraction form
    195,661,520/426,481,254 = 426,481,254/x
  3. Step 3: Cross multiply
    195,661,520x = 426,481,254 × 426,481,254
  4. Step 4: Simplify right side
    195,661,520x = 181,886,260,013,412,512
  5. Step 5: Solve for x
    x = 181,886,260,013,412,512/195,661,520
  6. Step 6: Final answer
    x = 929,596,478.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.