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Finding the Third Proportional to 20,487.94 and 43,929.84

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Solution

The third proportional to 20,487.94 and 43,929.84 is: 94,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487.94 : 43,929.84 = 43,929.84 : x
  2. Step 2: Convert to fraction form
    20,487.94/43,929.84 = 43,929.84/x
  3. Step 3: Cross multiply
    20,487.94x = 43,929.84 × 43,929.84
  4. Step 4: Simplify right side
    20,487.94x = 1,929,831,171.90
  5. Step 5: Solve for x
    x = 1,929,831,171.90/20,487.94
  6. Step 6: Final answer
    x = 94,193.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.