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Finding the Third Proportional to 775,990 and 1,674,308

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Solution

The third proportional to 775,990 and 1,674,308 is: 3,612,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,990 : 1,674,308 = 1,674,308 : x
  2. Step 2: Convert to fraction form
    775,990/1,674,308 = 1,674,308/x
  3. Step 3: Cross multiply
    775,990x = 1,674,308 × 1,674,308
  4. Step 4: Simplify right side
    775,990x = 2,803,307,278,864
  5. Step 5: Solve for x
    x = 2,803,307,278,864/775,990
  6. Step 6: Final answer
    x = 3,612,555.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.