Home / 1,405,922.63-2,128,600.69

Finding the Third Proportional to 1,405,922.63 and 2,128,600.69

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Solution

The third proportional to 1,405,922.63 and 2,128,600.69 is: 3,222,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,922.63 : 2,128,600.69 = 2,128,600.69 : x
  2. Step 2: Convert to fraction form
    1,405,922.63/2,128,600.69 = 2,128,600.69/x
  3. Step 3: Cross multiply
    1,405,922.63x = 2,128,600.69 × 2,128,600.69
  4. Step 4: Simplify right side
    1,405,922.63x = 4,530,940,886,825.47
  5. Step 5: Solve for x
    x = 4,530,940,886,825.47/1,405,922.63
  6. Step 6: Final answer
    x = 3,222,752.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.