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Finding the Third Proportional to 590,679 and 1,288,267.88

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Solution

The third proportional to 590,679 and 1,288,267.88 is: 2,809,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,679 : 1,288,267.88 = 1,288,267.88 : x
  2. Step 2: Convert to fraction form
    590,679/1,288,267.88 = 1,288,267.88/x
  3. Step 3: Cross multiply
    590,679x = 1,288,267.88 × 1,288,267.88
  4. Step 4: Simplify right side
    590,679x = 1,659,634,117,757.02
  5. Step 5: Solve for x
    x = 1,659,634,117,757.02/590,679
  6. Step 6: Final answer
    x = 2,809,705.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.