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Finding the Third Proportional to 21,517,500 and 46,435,380

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Solution

The third proportional to 21,517,500 and 46,435,380 is: 100,208,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,500 : 46,435,380 = 46,435,380 : x
  2. Step 2: Convert to fraction form
    21,517,500/46,435,380 = 46,435,380/x
  3. Step 3: Cross multiply
    21,517,500x = 46,435,380 × 46,435,380
  4. Step 4: Simplify right side
    21,517,500x = 2,156,244,515,744,400
  5. Step 5: Solve for x
    x = 2,156,244,515,744,400/21,517,500
  6. Step 6: Final answer
    x = 100,208,877.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.