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Finding the Third Proportional to 20,822,697 and 45,120,510

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Solution

The third proportional to 20,822,697 and 45,120,510 is: 97,771,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822,697 : 45,120,510 = 45,120,510 : x
  2. Step 2: Convert to fraction form
    20,822,697/45,120,510 = 45,120,510/x
  3. Step 3: Cross multiply
    20,822,697x = 45,120,510 × 45,120,510
  4. Step 4: Simplify right side
    20,822,697x = 2,035,860,422,660,100
  5. Step 5: Solve for x
    x = 2,035,860,422,660,100/20,822,697
  6. Step 6: Final answer
    x = 97,771,216.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.