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Finding the Third Proportional to 1,289,187 and 2,732,047.88

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Solution

The third proportional to 1,289,187 and 2,732,047.88 is: 5,789,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,187 : 2,732,047.88 = 2,732,047.88 : x
  2. Step 2: Convert to fraction form
    1,289,187/2,732,047.88 = 2,732,047.88/x
  3. Step 3: Cross multiply
    1,289,187x = 2,732,047.88 × 2,732,047.88
  4. Step 4: Simplify right side
    1,289,187x = 7,464,085,591,292.02
  5. Step 5: Solve for x
    x = 7,464,085,591,292.02/1,289,187
  6. Step 6: Final answer
    x = 5,789,761.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.