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Finding the Third Proportional to 13,790,847,636.75 and 19,720,935,606

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Solution

The third proportional to 13,790,847,636.75 and 19,720,935,606 is: 28,200,971,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790,847,636.75 : 19,720,935,606 = 19,720,935,606 : x
  2. Step 2: Convert to fraction form
    13,790,847,636.75/19,720,935,606 = 19,720,935,606/x
  3. Step 3: Cross multiply
    13,790,847,636.75x = 19,720,935,606 × 19,720,935,606
  4. Step 4: Simplify right side
    13,790,847,636.75x = 388,915,301,175,998,611,456
  5. Step 5: Solve for x
    x = 388,915,301,175,998,611,456/13,790,847,636.75
  6. Step 6: Final answer
    x = 28,200,971,500.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.