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Finding the Third Proportional to 768,275 and 1,659,647

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Solution

The third proportional to 768,275 and 1,659,647 is: 3,585,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,275 : 1,659,647 = 1,659,647 : x
  2. Step 2: Convert to fraction form
    768,275/1,659,647 = 1,659,647/x
  3. Step 3: Cross multiply
    768,275x = 1,659,647 × 1,659,647
  4. Step 4: Simplify right side
    768,275x = 2,754,428,164,609
  5. Step 5: Solve for x
    x = 2,754,428,164,609/768,275
  6. Step 6: Final answer
    x = 3,585,211.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.