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Finding the Third Proportional to 763,698 and 1,508,121

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Solution

The third proportional to 763,698 and 1,508,121 is: 2,978,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,698 : 1,508,121 = 1,508,121 : x
  2. Step 2: Convert to fraction form
    763,698/1,508,121 = 1,508,121/x
  3. Step 3: Cross multiply
    763,698x = 1,508,121 × 1,508,121
  4. Step 4: Simplify right side
    763,698x = 2,274,428,950,641
  5. Step 5: Solve for x
    x = 2,274,428,950,641/763,698
  6. Step 6: Final answer
    x = 2,978,178.48

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.