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Finding the Third Proportional to 53,481 and 84,757.50

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Solution

The third proportional to 53,481 and 84,757.50 is: 134,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,481 : 84,757.50 = 84,757.50 : x
  2. Step 2: Convert to fraction form
    53,481/84,757.50 = 84,757.50/x
  3. Step 3: Cross multiply
    53,481x = 84,757.50 × 84,757.50
  4. Step 4: Simplify right side
    53,481x = 7,183,833,806.25
  5. Step 5: Solve for x
    x = 7,183,833,806.25/53,481
  6. Step 6: Final answer
    x = 134,324.97

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.