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Finding the Third Proportional to 20,213,154 and 31,100,435

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Solution

The third proportional to 20,213,154 and 31,100,435 is: 47,851,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,154 : 31,100,435 = 31,100,435 : x
  2. Step 2: Convert to fraction form
    20,213,154/31,100,435 = 31,100,435/x
  3. Step 3: Cross multiply
    20,213,154x = 31,100,435 × 31,100,435
  4. Step 4: Simplify right side
    20,213,154x = 967,237,057,189,225
  5. Step 5: Solve for x
    x = 967,237,057,189,225/20,213,154
  6. Step 6: Final answer
    x = 47,851,862.07

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.