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Finding the Third Proportional to 57,600 and 91,584

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Solution

The third proportional to 57,600 and 91,584 is: 145,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,600 : 91,584 = 91,584 : x
  2. Step 2: Convert to fraction form
    57,600/91,584 = 91,584/x
  3. Step 3: Cross multiply
    57,600x = 91,584 × 91,584
  4. Step 4: Simplify right side
    57,600x = 8,387,629,056
  5. Step 5: Solve for x
    x = 8,387,629,056/57,600
  6. Step 6: Final answer
    x = 145,618.56

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.