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Finding the Third Proportional to 1,268,607 and 2,661,769.50

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Solution

The third proportional to 1,268,607 and 2,661,769.50 is: 5,584,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,607 : 2,661,769.50 = 2,661,769.50 : x
  2. Step 2: Convert to fraction form
    1,268,607/2,661,769.50 = 2,661,769.50/x
  3. Step 3: Cross multiply
    1,268,607x = 2,661,769.50 × 2,661,769.50
  4. Step 4: Simplify right side
    1,268,607x = 7,085,016,871,130.25
  5. Step 5: Solve for x
    x = 7,085,016,871,130.25/1,268,607
  6. Step 6: Final answer
    x = 5,584,879.22

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.