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Finding the Third Proportional to 940,026 and 1,987,206

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Solution

The third proportional to 940,026 and 1,987,206 is: 4,200,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,026 : 1,987,206 = 1,987,206 : x
  2. Step 2: Convert to fraction form
    940,026/1,987,206 = 1,987,206/x
  3. Step 3: Cross multiply
    940,026x = 1,987,206 × 1,987,206
  4. Step 4: Simplify right side
    940,026x = 3,948,987,686,436
  5. Step 5: Solve for x
    x = 3,948,987,686,436/940,026
  6. Step 6: Final answer
    x = 4,200,934.53

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.