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Finding the Third Proportional to 988,183.50 and 2,157,076.50

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Solution

The third proportional to 988,183.50 and 2,157,076.50 is: 4,708,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,183.50 : 2,157,076.50 = 2,157,076.50 : x
  2. Step 2: Convert to fraction form
    988,183.50/2,157,076.50 = 2,157,076.50/x
  3. Step 3: Cross multiply
    988,183.50x = 2,157,076.50 × 2,157,076.50
  4. Step 4: Simplify right side
    988,183.50x = 4,652,979,026,852.25
  5. Step 5: Solve for x
    x = 4,652,979,026,852.25/988,183.50
  6. Step 6: Final answer
    x = 4,708,618.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.