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Finding the Third Proportional to 2,166,280.45 and 3,028,436.86

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Solution

The third proportional to 2,166,280.45 and 3,028,436.86 is: 4,233,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,280.45 : 3,028,436.86 = 3,028,436.86 : x
  2. Step 2: Convert to fraction form
    2,166,280.45/3,028,436.86 = 3,028,436.86/x
  3. Step 3: Cross multiply
    2,166,280.45x = 3,028,436.86 × 3,028,436.86
  4. Step 4: Simplify right side
    2,166,280.45x = 9,171,429,811,221.11
  5. Step 5: Solve for x
    x = 9,171,429,811,221.11/2,166,280.45
  6. Step 6: Final answer
    x = 4,233,722.28

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.