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Finding the Third Proportional to 4,144,688 and 8,919,232

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Solution

The third proportional to 4,144,688 and 8,919,232 is: 19,193,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144,688 : 8,919,232 = 8,919,232 : x
  2. Step 2: Convert to fraction form
    4,144,688/8,919,232 = 8,919,232/x
  3. Step 3: Cross multiply
    4,144,688x = 8,919,232 × 8,919,232
  4. Step 4: Simplify right side
    4,144,688x = 79,552,699,469,824
  5. Step 5: Solve for x
    x = 79,552,699,469,824/4,144,688
  6. Step 6: Final answer
    x = 19,193,893.36

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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.