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Finding the Third Proportional to 764,226 and 1,619,487

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Solution

The third proportional to 764,226 and 1,619,487 is: 3,431,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,226 : 1,619,487 = 1,619,487 : x
  2. Step 2: Convert to fraction form
    764,226/1,619,487 = 1,619,487/x
  3. Step 3: Cross multiply
    764,226x = 1,619,487 × 1,619,487
  4. Step 4: Simplify right side
    764,226x = 2,622,738,143,169
  5. Step 5: Solve for x
    x = 2,622,738,143,169/764,226
  6. Step 6: Final answer
    x = 3,431,888.14

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.