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Finding the Third Proportional to 21,044,638 and 45,222,176

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Solution

The third proportional to 21,044,638 and 45,222,176 is: 97,176,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044,638 : 45,222,176 = 45,222,176 : x
  2. Step 2: Convert to fraction form
    21,044,638/45,222,176 = 45,222,176/x
  3. Step 3: Cross multiply
    21,044,638x = 45,222,176 × 45,222,176
  4. Step 4: Simplify right side
    21,044,638x = 2,045,045,202,174,976
  5. Step 5: Solve for x
    x = 2,045,045,202,174,976/21,044,638
  6. Step 6: Final answer
    x = 97,176,544.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.