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Finding the Third Proportional to 667,786 and 1,574,786

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Solution

The third proportional to 667,786 and 1,574,786 is: 3,713,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,786 : 1,574,786 = 1,574,786 : x
  2. Step 2: Convert to fraction form
    667,786/1,574,786 = 1,574,786/x
  3. Step 3: Cross multiply
    667,786x = 1,574,786 × 1,574,786
  4. Step 4: Simplify right side
    667,786x = 2,479,950,945,796
  5. Step 5: Solve for x
    x = 2,479,950,945,796/667,786
  6. Step 6: Final answer
    x = 3,713,691.13

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.