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Finding the Third Proportional to 668,304 and 1,391,904

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Solution

The third proportional to 668,304 and 1,391,904 is: 2,898,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,304 : 1,391,904 = 1,391,904 : x
  2. Step 2: Convert to fraction form
    668,304/1,391,904 = 1,391,904/x
  3. Step 3: Cross multiply
    668,304x = 1,391,904 × 1,391,904
  4. Step 4: Simplify right side
    668,304x = 1,937,396,745,216
  5. Step 5: Solve for x
    x = 1,937,396,745,216/668,304
  6. Step 6: Final answer
    x = 2,898,975.23

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.