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Finding the Third Proportional to 19,921.25 and 43,347.34

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Solution

The third proportional to 19,921.25 and 43,347.34 is: 94,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.25 : 43,347.34 = 43,347.34 : x
  2. Step 2: Convert to fraction form
    19,921.25/43,347.34 = 43,347.34/x
  3. Step 3: Cross multiply
    19,921.25x = 43,347.34 × 43,347.34
  4. Step 4: Simplify right side
    19,921.25x = 1,878,991,871.53
  5. Step 5: Solve for x
    x = 1,878,991,871.53/19,921.25
  6. Step 6: Final answer
    x = 94,320.96

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