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Finding the Third Proportional to 667,402 and 1,574,788

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Solution

The third proportional to 667,402 and 1,574,788 is: 3,715,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,402 : 1,574,788 = 1,574,788 : x
  2. Step 2: Convert to fraction form
    667,402/1,574,788 = 1,574,788/x
  3. Step 3: Cross multiply
    667,402x = 1,574,788 × 1,574,788
  4. Step 4: Simplify right side
    667,402x = 2,479,957,244,944
  5. Step 5: Solve for x
    x = 2,479,957,244,944/667,402
  6. Step 6: Final answer
    x = 3,715,837.30

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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.