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Finding the Third Proportional to 4,217,429,881 and 8,783,933,936

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Solution

The third proportional to 4,217,429,881 and 8,783,933,936 is: 18,294,908,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217,429,881 : 8,783,933,936 = 8,783,933,936 : x
  2. Step 2: Convert to fraction form
    4,217,429,881/8,783,933,936 = 8,783,933,936/x
  3. Step 3: Cross multiply
    4,217,429,881x = 8,783,933,936 × 8,783,933,936
  4. Step 4: Simplify right side
    4,217,429,881x = 77,157,495,392,012,451,840
  5. Step 5: Solve for x
    x = 77,157,495,392,012,451,840/4,217,429,881
  6. Step 6: Final answer
    x = 18,294,908,882.69

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.