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Finding the Third Proportional to 3,090,965 and 6,638,986

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Solution

The third proportional to 3,090,965 and 6,638,986 is: 14,259,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,965 : 6,638,986 = 6,638,986 : x
  2. Step 2: Convert to fraction form
    3,090,965/6,638,986 = 6,638,986/x
  3. Step 3: Cross multiply
    3,090,965x = 6,638,986 × 6,638,986
  4. Step 4: Simplify right side
    3,090,965x = 44,076,135,108,196
  5. Step 5: Solve for x
    x = 44,076,135,108,196/3,090,965
  6. Step 6: Final answer
    x = 14,259,668.13

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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.