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Finding the Third Proportional to 58,608 and 91,872

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Solution

The third proportional to 58,608 and 91,872 is: 144,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,608 : 91,872 = 91,872 : x
  2. Step 2: Convert to fraction form
    58,608/91,872 = 91,872/x
  3. Step 3: Cross multiply
    58,608x = 91,872 × 91,872
  4. Step 4: Simplify right side
    58,608x = 8,440,464,384
  5. Step 5: Solve for x
    x = 8,440,464,384/58,608
  6. Step 6: Final answer
    x = 144,015.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.