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Finding the Third Proportional to 70,385,222 and 147,205,812

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Solution

The third proportional to 70,385,222 and 147,205,812 is: 307,870,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385,222 : 147,205,812 = 147,205,812 : x
  2. Step 2: Convert to fraction form
    70,385,222/147,205,812 = 147,205,812/x
  3. Step 3: Cross multiply
    70,385,222x = 147,205,812 × 147,205,812
  4. Step 4: Simplify right side
    70,385,222x = 21,669,551,086,579,344
  5. Step 5: Solve for x
    x = 21,669,551,086,579,344/70,385,222
  6. Step 6: Final answer
    x = 307,870,750.01

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.