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Finding the Third Proportional to 20,124,122 and 31,381,925

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Solution

The third proportional to 20,124,122 and 31,381,925 is: 48,937,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124,122 : 31,381,925 = 31,381,925 : x
  2. Step 2: Convert to fraction form
    20,124,122/31,381,925 = 31,381,925/x
  3. Step 3: Cross multiply
    20,124,122x = 31,381,925 × 31,381,925
  4. Step 4: Simplify right side
    20,124,122x = 984,825,216,705,625
  5. Step 5: Solve for x
    x = 984,825,216,705,625/20,124,122
  6. Step 6: Final answer
    x = 48,937,549.51

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.