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Finding the Third Proportional to 1,818,900.56 and 2,853,313.59

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Solution

The third proportional to 1,818,900.56 and 2,853,313.59 is: 4,475,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,900.56 : 2,853,313.59 = 2,853,313.59 : x
  2. Step 2: Convert to fraction form
    1,818,900.56/2,853,313.59 = 2,853,313.59/x
  3. Step 3: Cross multiply
    1,818,900.56x = 2,853,313.59 × 2,853,313.59
  4. Step 4: Simplify right side
    1,818,900.56x = 8,141,398,464,278.54
  5. Step 5: Solve for x
    x = 8,141,398,464,278.54/1,818,900.56
  6. Step 6: Final answer
    x = 4,475,999.75

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.