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Finding the Third Proportional to 678,008 and 1,504,704

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Solution

The third proportional to 678,008 and 1,504,704 is: 3,339,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,008 : 1,504,704 = 1,504,704 : x
  2. Step 2: Convert to fraction form
    678,008/1,504,704 = 1,504,704/x
  3. Step 3: Cross multiply
    678,008x = 1,504,704 × 1,504,704
  4. Step 4: Simplify right side
    678,008x = 2,264,134,127,616
  5. Step 5: Solve for x
    x = 2,264,134,127,616/678,008
  6. Step 6: Final answer
    x = 3,339,391.46

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.