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Finding the Third Proportional to 2,678,869.41 and 5,877,992.67

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Solution

The third proportional to 2,678,869.41 and 5,877,992.67 is: 12,897,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,869.41 : 5,877,992.67 = 5,877,992.67 : x
  2. Step 2: Convert to fraction form
    2,678,869.41/5,877,992.67 = 5,877,992.67/x
  3. Step 3: Cross multiply
    2,678,869.41x = 5,877,992.67 × 5,877,992.67
  4. Step 4: Simplify right side
    2,678,869.41x = 34,550,797,850,616.20
  5. Step 5: Solve for x
    x = 34,550,797,850,616.20/2,678,869.41
  6. Step 6: Final answer
    x = 12,897,529.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.