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Finding the Third Proportional to 9,489,217,244 and 19,763,851,378

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Solution

The third proportional to 9,489,217,244 and 19,763,851,378 is: 41,163,545,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,217,244 : 19,763,851,378 = 19,763,851,378 : x
  2. Step 2: Convert to fraction form
    9,489,217,244/19,763,851,378 = 19,763,851,378/x
  3. Step 3: Cross multiply
    9,489,217,244x = 19,763,851,378 × 19,763,851,378
  4. Step 4: Simplify right side
    9,489,217,244x = 390,609,821,291,672,502,272
  5. Step 5: Solve for x
    x = 390,609,821,291,672,502,272/9,489,217,244
  6. Step 6: Final answer
    x = 41,163,545,026.71

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.