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Finding the Third Proportional to 1,477,195.50 and 3,213,208.88

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Solution

The third proportional to 1,477,195.50 and 3,213,208.88 is: 6,989,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,195.50 : 3,213,208.88 = 3,213,208.88 : x
  2. Step 2: Convert to fraction form
    1,477,195.50/3,213,208.88 = 3,213,208.88/x
  3. Step 3: Cross multiply
    1,477,195.50x = 3,213,208.88 × 3,213,208.88
  4. Step 4: Simplify right side
    1,477,195.50x = 10,324,711,274,378.77
  5. Step 5: Solve for x
    x = 10,324,711,274,378.77/1,477,195.50
  6. Step 6: Final answer
    x = 6,989,400.71

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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.