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Finding the Third Proportional to 787,076.63 and 1,668,738.75

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Solution

The third proportional to 787,076.63 and 1,668,738.75 is: 3,538,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,076.63 : 1,668,738.75 = 1,668,738.75 : x
  2. Step 2: Convert to fraction form
    787,076.63/1,668,738.75 = 1,668,738.75/x
  3. Step 3: Cross multiply
    787,076.63x = 1,668,738.75 × 1,668,738.75
  4. Step 4: Simplify right side
    787,076.63x = 2,784,689,015,751.56
  5. Step 5: Solve for x
    x = 2,784,689,015,751.56/787,076.63
  6. Step 6: Final answer
    x = 3,538,015.14

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.