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Finding the Third Proportional to 18,939,722 and 42,376,852

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Solution

The third proportional to 18,939,722 and 42,376,852 is: 94,816,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,722 : 42,376,852 = 42,376,852 : x
  2. Step 2: Convert to fraction form
    18,939,722/42,376,852 = 42,376,852/x
  3. Step 3: Cross multiply
    18,939,722x = 42,376,852 × 42,376,852
  4. Step 4: Simplify right side
    18,939,722x = 1,795,797,585,429,904
  5. Step 5: Solve for x
    x = 1,795,797,585,429,904/18,939,722
  6. Step 6: Final answer
    x = 94,816,470.14

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.