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Finding the Third Proportional to 325,760 and 700,768

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Solution

The third proportional to 325,760 and 700,768 is: 1,507,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,760 : 700,768 = 700,768 : x
  2. Step 2: Convert to fraction form
    325,760/700,768 = 700,768/x
  3. Step 3: Cross multiply
    325,760x = 700,768 × 700,768
  4. Step 4: Simplify right side
    325,760x = 491,075,789,824
  5. Step 5: Solve for x
    x = 491,075,789,824/325,760
  6. Step 6: Final answer
    x = 1,507,477.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.