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Finding the Third Proportional to 4,045,208 and 8,690,737

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Solution

The third proportional to 4,045,208 and 8,690,737 is: 18,671,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045,208 : 8,690,737 = 8,690,737 : x
  2. Step 2: Convert to fraction form
    4,045,208/8,690,737 = 8,690,737/x
  3. Step 3: Cross multiply
    4,045,208x = 8,690,737 × 8,690,737
  4. Step 4: Simplify right side
    4,045,208x = 75,528,909,603,169
  5. Step 5: Solve for x
    x = 75,528,909,603,169/4,045,208
  6. Step 6: Final answer
    x = 18,671,205.44

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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.