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Finding the Third Proportional to 5,119,685 and 10,999,146

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Solution

The third proportional to 5,119,685 and 10,999,146 is: 23,630,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,685 : 10,999,146 = 10,999,146 : x
  2. Step 2: Convert to fraction form
    5,119,685/10,999,146 = 10,999,146/x
  3. Step 3: Cross multiply
    5,119,685x = 10,999,146 × 10,999,146
  4. Step 4: Simplify right side
    5,119,685x = 120,981,212,729,316
  5. Step 5: Solve for x
    x = 120,981,212,729,316/5,119,685
  6. Step 6: Final answer
    x = 23,630,596.95

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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.