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Finding the Third Proportional to 21,611,952 and 38,432,052

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Solution

The third proportional to 21,611,952 and 38,432,052 is: 68,342,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611,952 : 38,432,052 = 38,432,052 : x
  2. Step 2: Convert to fraction form
    21,611,952/38,432,052 = 38,432,052/x
  3. Step 3: Cross multiply
    21,611,952x = 38,432,052 × 38,432,052
  4. Step 4: Simplify right side
    21,611,952x = 1,477,022,620,930,704
  5. Step 5: Solve for x
    x = 1,477,022,620,930,704/21,611,952
  6. Step 6: Final answer
    x = 68,342,860.51

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.