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Finding the Third Proportional to 20,124,108 and 31,381,912

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Solution

The third proportional to 20,124,108 and 31,381,912 is: 48,937,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124,108 : 31,381,912 = 31,381,912 : x
  2. Step 2: Convert to fraction form
    20,124,108/31,381,912 = 31,381,912/x
  3. Step 3: Cross multiply
    20,124,108x = 31,381,912 × 31,381,912
  4. Step 4: Simplify right side
    20,124,108x = 984,824,400,775,744
  5. Step 5: Solve for x
    x = 984,824,400,775,744/20,124,108
  6. Step 6: Final answer
    x = 48,937,543.01

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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.