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Finding the Third Proportional to 3,908,193 and 8,611,518

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Solution

The third proportional to 3,908,193 and 8,611,518 is: 18,975,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,193 : 8,611,518 = 8,611,518 : x
  2. Step 2: Convert to fraction form
    3,908,193/8,611,518 = 8,611,518/x
  3. Step 3: Cross multiply
    3,908,193x = 8,611,518 × 8,611,518
  4. Step 4: Simplify right side
    3,908,193x = 74,158,242,264,324
  5. Step 5: Solve for x
    x = 74,158,242,264,324/3,908,193
  6. Step 6: Final answer
    x = 18,975,071.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.