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Finding the Third Proportional to 30,611,088 and 67,193,400

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Solution

The third proportional to 30,611,088 and 67,193,400 is: 147,494,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,088 : 67,193,400 = 67,193,400 : x
  2. Step 2: Convert to fraction form
    30,611,088/67,193,400 = 67,193,400/x
  3. Step 3: Cross multiply
    30,611,088x = 67,193,400 × 67,193,400
  4. Step 4: Simplify right side
    30,611,088x = 4,514,953,003,560,000
  5. Step 5: Solve for x
    x = 4,514,953,003,560,000/30,611,088
  6. Step 6: Final answer
    x = 147,494,038.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.