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Finding the Third Proportional to 2,116,783.50 and 3,179,943

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Solution

The third proportional to 2,116,783.50 and 3,179,943 is: 4,777,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,783.50 : 3,179,943 = 3,179,943 : x
  2. Step 2: Convert to fraction form
    2,116,783.50/3,179,943 = 3,179,943/x
  3. Step 3: Cross multiply
    2,116,783.50x = 3,179,943 × 3,179,943
  4. Step 4: Simplify right side
    2,116,783.50x = 10,112,037,483,249
  5. Step 5: Solve for x
    x = 10,112,037,483,249/2,116,783.50
  6. Step 6: Final answer
    x = 4,777,076.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.