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Finding the Third Proportional to 67,642,163 and 144,850,258

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Solution

The third proportional to 67,642,163 and 144,850,258 is: 310,185,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642,163 : 144,850,258 = 144,850,258 : x
  2. Step 2: Convert to fraction form
    67,642,163/144,850,258 = 144,850,258/x
  3. Step 3: Cross multiply
    67,642,163x = 144,850,258 × 144,850,258
  4. Step 4: Simplify right side
    67,642,163x = 20,981,597,242,666,564
  5. Step 5: Solve for x
    x = 20,981,597,242,666,564/67,642,163
  6. Step 6: Final answer
    x = 310,185,190.89

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.