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Finding the Third Proportional to 28,218,380 and 39,737,886

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Solution

The third proportional to 28,218,380 and 39,737,886 is: 55,959,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218,380 : 39,737,886 = 39,737,886 : x
  2. Step 2: Convert to fraction form
    28,218,380/39,737,886 = 39,737,886/x
  3. Step 3: Cross multiply
    28,218,380x = 39,737,886 × 39,737,886
  4. Step 4: Simplify right side
    28,218,380x = 1,579,099,583,748,996
  5. Step 5: Solve for x
    x = 1,579,099,583,748,996/28,218,380
  6. Step 6: Final answer
    x = 55,959,965.94

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.