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Finding the Third Proportional to 718,026 and 1,091,961

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Solution

The third proportional to 718,026 and 1,091,961 is: 1,660,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,026 : 1,091,961 = 1,091,961 : x
  2. Step 2: Convert to fraction form
    718,026/1,091,961 = 1,091,961/x
  3. Step 3: Cross multiply
    718,026x = 1,091,961 × 1,091,961
  4. Step 4: Simplify right side
    718,026x = 1,192,378,825,521
  5. Step 5: Solve for x
    x = 1,192,378,825,521/718,026
  6. Step 6: Final answer
    x = 1,660,634.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.