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Finding the Third Proportional to 1,870,122.56 and 2,842,891.88

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Solution

The third proportional to 1,870,122.56 and 2,842,891.88 is: 4,321,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,122.56 : 2,842,891.88 = 2,842,891.88 : x
  2. Step 2: Convert to fraction form
    1,870,122.56/2,842,891.88 = 2,842,891.88/x
  3. Step 3: Cross multiply
    1,870,122.56x = 2,842,891.88 × 2,842,891.88
  4. Step 4: Simplify right side
    1,870,122.56x = 8,082,034,212,941.02
  5. Step 5: Solve for x
    x = 8,082,034,212,941.02/1,870,122.56
  6. Step 6: Final answer
    x = 4,321,660.18

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.