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Finding the Third Proportional to 1,505,894.63 and 2,936,128.50

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Solution

The third proportional to 1,505,894.63 and 2,936,128.50 is: 5,724,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,894.63 : 2,936,128.50 = 2,936,128.50 : x
  2. Step 2: Convert to fraction form
    1,505,894.63/2,936,128.50 = 2,936,128.50/x
  3. Step 3: Cross multiply
    1,505,894.63x = 2,936,128.50 × 2,936,128.50
  4. Step 4: Simplify right side
    1,505,894.63x = 8,620,850,568,512.25
  5. Step 5: Solve for x
    x = 8,620,850,568,512.25/1,505,894.63
  6. Step 6: Final answer
    x = 5,724,736.93

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.