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Finding the Third Proportional to 9,954,753,645 and 21,329,416,955.25

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Solution

The third proportional to 9,954,753,645 and 21,329,416,955.25 is: 45,701,183,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954,753,645 : 21,329,416,955.25 = 21,329,416,955.25 : x
  2. Step 2: Convert to fraction form
    9,954,753,645/21,329,416,955.25 = 21,329,416,955.25/x
  3. Step 3: Cross multiply
    9,954,753,645x = 21,329,416,955.25 × 21,329,416,955.25
  4. Step 4: Simplify right side
    9,954,753,645x = 454,944,027,650,906,193,920
  5. Step 5: Solve for x
    x = 454,944,027,650,906,193,920/9,954,753,645
  6. Step 6: Final answer
    x = 45,701,183,964.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.