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Finding the Third Proportional to 54,241.50 and 83,427

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Solution

The third proportional to 54,241.50 and 83,427 is: 128,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,241.50 : 83,427 = 83,427 : x
  2. Step 2: Convert to fraction form
    54,241.50/83,427 = 83,427/x
  3. Step 3: Cross multiply
    54,241.50x = 83,427 × 83,427
  4. Step 4: Simplify right side
    54,241.50x = 6,960,064,329
  5. Step 5: Solve for x
    x = 6,960,064,329/54,241.50
  6. Step 6: Final answer
    x = 128,316.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.