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Finding the Third Proportional to 19,511,928 and 28,985,040

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Solution

The third proportional to 19,511,928 and 28,985,040 is: 43,057,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511,928 : 28,985,040 = 28,985,040 : x
  2. Step 2: Convert to fraction form
    19,511,928/28,985,040 = 28,985,040/x
  3. Step 3: Cross multiply
    19,511,928x = 28,985,040 × 28,985,040
  4. Step 4: Simplify right side
    19,511,928x = 840,132,543,801,600
  5. Step 5: Solve for x
    x = 840,132,543,801,600/19,511,928
  6. Step 6: Final answer
    x = 43,057,382.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.