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Finding the Third Proportional to 1,322,313.75 and 1,964,030.63

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Solution

The third proportional to 1,322,313.75 and 1,964,030.63 is: 2,917,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,313.75 : 1,964,030.63 = 1,964,030.63 : x
  2. Step 2: Convert to fraction form
    1,322,313.75/1,964,030.63 = 1,964,030.63/x
  3. Step 3: Cross multiply
    1,322,313.75x = 1,964,030.63 × 1,964,030.63
  4. Step 4: Simplify right side
    1,322,313.75x = 3,857,416,295,937.89
  5. Step 5: Solve for x
    x = 3,857,416,295,937.89/1,322,313.75
  6. Step 6: Final answer
    x = 2,917,171.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.