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Finding the Third Proportional to 90,875,163 and 195,607,158

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Solution

The third proportional to 90,875,163 and 195,607,158 is: 421,040,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,875,163 : 195,607,158 = 195,607,158 : x
  2. Step 2: Convert to fraction form
    90,875,163/195,607,158 = 195,607,158/x
  3. Step 3: Cross multiply
    90,875,163x = 195,607,158 × 195,607,158
  4. Step 4: Simplify right side
    90,875,163x = 38,262,160,260,836,960
  5. Step 5: Solve for x
    x = 38,262,160,260,836,960/90,875,163
  6. Step 6: Final answer
    x = 421,040,898.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.