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Finding the Third Proportional to 6,611,847.75 and 10,216,989

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Solution

The third proportional to 6,611,847.75 and 10,216,989 is: 15,787,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,847.75 : 10,216,989 = 10,216,989 : x
  2. Step 2: Convert to fraction form
    6,611,847.75/10,216,989 = 10,216,989/x
  3. Step 3: Cross multiply
    6,611,847.75x = 10,216,989 × 10,216,989
  4. Step 4: Simplify right side
    6,611,847.75x = 104,386,864,226,121
  5. Step 5: Solve for x
    x = 104,386,864,226,121/6,611,847.75
  6. Step 6: Final answer
    x = 15,787,850.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.