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Finding the Third Proportional to 20,124,104 and 31,381,909

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Solution

The third proportional to 20,124,104 and 31,381,909 is: 48,937,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124,104 : 31,381,909 = 31,381,909 : x
  2. Step 2: Convert to fraction form
    20,124,104/31,381,909 = 31,381,909/x
  3. Step 3: Cross multiply
    20,124,104x = 31,381,909 × 31,381,909
  4. Step 4: Simplify right side
    20,124,104x = 984,824,212,484,281
  5. Step 5: Solve for x
    x = 984,824,212,484,281/20,124,104
  6. Step 6: Final answer
    x = 48,937,543.38

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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.