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Finding the Third Proportional to 59,916 and 115,170

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Solution

The third proportional to 59,916 and 115,170 is: 221,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,916 : 115,170 = 115,170 : x
  2. Step 2: Convert to fraction form
    59,916/115,170 = 115,170/x
  3. Step 3: Cross multiply
    59,916x = 115,170 × 115,170
  4. Step 4: Simplify right side
    59,916x = 13,264,128,900
  5. Step 5: Solve for x
    x = 13,264,128,900/59,916
  6. Step 6: Final answer
    x = 221,378.75

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.