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Finding the Third Proportional to 197,917,352 and 268,492,828

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Solution

The third proportional to 197,917,352 and 268,492,828 is: 364,234,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,917,352 : 268,492,828 = 268,492,828 : x
  2. Step 2: Convert to fraction form
    197,917,352/268,492,828 = 268,492,828/x
  3. Step 3: Cross multiply
    197,917,352x = 268,492,828 × 268,492,828
  4. Step 4: Simplify right side
    197,917,352x = 72,088,398,687,437,584
  5. Step 5: Solve for x
    x = 72,088,398,687,437,584/197,917,352
  6. Step 6: Final answer
    x = 364,234,858.43

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.