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Finding the Third Proportional to 20,918,203 and 45,197,593

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Solution

The third proportional to 20,918,203 and 45,197,593 is: 97,657,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,918,203 : 45,197,593 = 45,197,593 : x
  2. Step 2: Convert to fraction form
    20,918,203/45,197,593 = 45,197,593/x
  3. Step 3: Cross multiply
    20,918,203x = 45,197,593 × 45,197,593
  4. Step 4: Simplify right side
    20,918,203x = 2,042,822,412,993,649
  5. Step 5: Solve for x
    x = 2,042,822,412,993,649/20,918,203
  6. Step 6: Final answer
    x = 97,657,643.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.