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Finding the Third Proportional to 11,969,286 and 18,955,986

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Solution

The third proportional to 11,969,286 and 18,955,986 is: 30,020,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,286 : 18,955,986 = 18,955,986 : x
  2. Step 2: Convert to fraction form
    11,969,286/18,955,986 = 18,955,986/x
  3. Step 3: Cross multiply
    11,969,286x = 18,955,986 × 18,955,986
  4. Step 4: Simplify right side
    11,969,286x = 359,329,405,232,196
  5. Step 5: Solve for x
    x = 359,329,405,232,196/11,969,286
  6. Step 6: Final answer
    x = 30,020,955.74

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.