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Finding the Third Proportional to 7,000,291 and 10,981,390

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Solution

The third proportional to 7,000,291 and 10,981,390 is: 17,226,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,291 : 10,981,390 = 10,981,390 : x
  2. Step 2: Convert to fraction form
    7,000,291/10,981,390 = 10,981,390/x
  3. Step 3: Cross multiply
    7,000,291x = 10,981,390 × 10,981,390
  4. Step 4: Simplify right side
    7,000,291x = 120,590,926,332,100
  5. Step 5: Solve for x
    x = 120,590,926,332,100/7,000,291
  6. Step 6: Final answer
    x = 17,226,559.06

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.