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Finding the Third Proportional to 688,216.50 and 1,481,886

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Solution

The third proportional to 688,216.50 and 1,481,886 is: 3,190,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,216.50 : 1,481,886 = 1,481,886 : x
  2. Step 2: Convert to fraction form
    688,216.50/1,481,886 = 1,481,886/x
  3. Step 3: Cross multiply
    688,216.50x = 1,481,886 × 1,481,886
  4. Step 4: Simplify right side
    688,216.50x = 2,195,986,116,996
  5. Step 5: Solve for x
    x = 2,195,986,116,996/688,216.50
  6. Step 6: Final answer
    x = 3,190,836.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.