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Finding the Third Proportional to 8,521,368 and 11,985,873

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Solution

The third proportional to 8,521,368 and 11,985,873 is: 16,858,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,368 : 11,985,873 = 11,985,873 : x
  2. Step 2: Convert to fraction form
    8,521,368/11,985,873 = 11,985,873/x
  3. Step 3: Cross multiply
    8,521,368x = 11,985,873 × 11,985,873
  4. Step 4: Simplify right side
    8,521,368x = 143,661,151,572,129
  5. Step 5: Solve for x
    x = 143,661,151,572,129/8,521,368
  6. Step 6: Final answer
    x = 16,858,930.58

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.