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Finding the Third Proportional to 91,370,868 and 199,485,236

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Solution

The third proportional to 91,370,868 and 199,485,236 is: 435,525,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370,868 : 199,485,236 = 199,485,236 : x
  2. Step 2: Convert to fraction form
    91,370,868/199,485,236 = 199,485,236/x
  3. Step 3: Cross multiply
    91,370,868x = 199,485,236 × 199,485,236
  4. Step 4: Simplify right side
    91,370,868x = 39,794,359,381,975,696
  5. Step 5: Solve for x
    x = 39,794,359,381,975,696/91,370,868
  6. Step 6: Final answer
    x = 435,525,679.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.