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Finding the Third Proportional to 3,090,966 and 6,638,988

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Solution

The third proportional to 3,090,966 and 6,638,988 is: 14,259,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,966 : 6,638,988 = 6,638,988 : x
  2. Step 2: Convert to fraction form
    3,090,966/6,638,988 = 6,638,988/x
  3. Step 3: Cross multiply
    3,090,966x = 6,638,988 × 6,638,988
  4. Step 4: Simplify right side
    3,090,966x = 44,076,161,664,144
  5. Step 5: Solve for x
    x = 44,076,161,664,144/3,090,966
  6. Step 6: Final answer
    x = 14,259,672.11

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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.