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Finding the Third Proportional to 5,818,986 and 12,645,207

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Solution

The third proportional to 5,818,986 and 12,645,207 is: 27,479,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818,986 : 12,645,207 = 12,645,207 : x
  2. Step 2: Convert to fraction form
    5,818,986/12,645,207 = 12,645,207/x
  3. Step 3: Cross multiply
    5,818,986x = 12,645,207 × 12,645,207
  4. Step 4: Simplify right side
    5,818,986x = 159,901,260,072,849
  5. Step 5: Solve for x
    x = 159,901,260,072,849/5,818,986
  6. Step 6: Final answer
    x = 27,479,230.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.