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Finding the Third Proportional to 3,237,988 and 7,127,945

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Solution

The third proportional to 3,237,988 and 7,127,945 is: 15,691,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,988 : 7,127,945 = 7,127,945 : x
  2. Step 2: Convert to fraction form
    3,237,988/7,127,945 = 7,127,945/x
  3. Step 3: Cross multiply
    3,237,988x = 7,127,945 × 7,127,945
  4. Step 4: Simplify right side
    3,237,988x = 50,807,599,923,025
  5. Step 5: Solve for x
    x = 50,807,599,923,025/3,237,988
  6. Step 6: Final answer
    x = 15,691,101.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.