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Finding the Third Proportional to 7,718,148 and 11,345,994

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Solution

The third proportional to 7,718,148 and 11,345,994 is: 16,679,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,148 : 11,345,994 = 11,345,994 : x
  2. Step 2: Convert to fraction form
    7,718,148/11,345,994 = 11,345,994/x
  3. Step 3: Cross multiply
    7,718,148x = 11,345,994 × 11,345,994
  4. Step 4: Simplify right side
    7,718,148x = 128,731,579,848,036
  5. Step 5: Solve for x
    x = 128,731,579,848,036/7,718,148
  6. Step 6: Final answer
    x = 16,679,076.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.