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Finding the Third Proportional to 7,981,992 and 14,191,056

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Solution

The third proportional to 7,981,992 and 14,191,056 is: 25,230,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,992 : 14,191,056 = 14,191,056 : x
  2. Step 2: Convert to fraction form
    7,981,992/14,191,056 = 14,191,056/x
  3. Step 3: Cross multiply
    7,981,992x = 14,191,056 × 14,191,056
  4. Step 4: Simplify right side
    7,981,992x = 201,386,070,395,136
  5. Step 5: Solve for x
    x = 201,386,070,395,136/7,981,992
  6. Step 6: Final answer
    x = 25,230,051.65

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.