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Finding the Third Proportional to 30,942,162 and 67,026,852

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Solution

The third proportional to 30,942,162 and 67,026,852 is: 145,193,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942,162 : 67,026,852 = 67,026,852 : x
  2. Step 2: Convert to fraction form
    30,942,162/67,026,852 = 67,026,852/x
  3. Step 3: Cross multiply
    30,942,162x = 67,026,852 × 67,026,852
  4. Step 4: Simplify right side
    30,942,162x = 4,492,598,889,029,904
  5. Step 5: Solve for x
    x = 4,492,598,889,029,904/30,942,162
  6. Step 6: Final answer
    x = 145,193,438.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.