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Finding the Third Proportional to 12,479,645 and 26,821,885

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Solution

The third proportional to 12,479,645 and 26,821,885 is: 57,646,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,645 : 26,821,885 = 26,821,885 : x
  2. Step 2: Convert to fraction form
    12,479,645/26,821,885 = 26,821,885/x
  3. Step 3: Cross multiply
    12,479,645x = 26,821,885 × 26,821,885
  4. Step 4: Simplify right side
    12,479,645x = 719,413,514,953,225
  5. Step 5: Solve for x
    x = 719,413,514,953,225/12,479,645
  6. Step 6: Final answer
    x = 57,646,953.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.