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Finding the Third Proportional to 520,067 and 1,117,731

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Solution

The third proportional to 520,067 and 1,117,731 is: 2,402,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,067 : 1,117,731 = 1,117,731 : x
  2. Step 2: Convert to fraction form
    520,067/1,117,731 = 1,117,731/x
  3. Step 3: Cross multiply
    520,067x = 1,117,731 × 1,117,731
  4. Step 4: Simplify right side
    520,067x = 1,249,322,588,361
  5. Step 5: Solve for x
    x = 1,249,322,588,361/520,067
  6. Step 6: Final answer
    x = 2,402,233.92

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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.