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Finding the Third Proportional to 19,187,402 and 39,145,561

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Solution

The third proportional to 19,187,402 and 39,145,561 is: 79,863,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,402 : 39,145,561 = 39,145,561 : x
  2. Step 2: Convert to fraction form
    19,187,402/39,145,561 = 39,145,561/x
  3. Step 3: Cross multiply
    19,187,402x = 39,145,561 × 39,145,561
  4. Step 4: Simplify right side
    19,187,402x = 1,532,374,946,004,721
  5. Step 5: Solve for x
    x = 1,532,374,946,004,721/19,187,402
  6. Step 6: Final answer
    x = 79,863,597.27

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.