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Finding the Third Proportional to 48,138 and 105,575

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Solution

The third proportional to 48,138 and 105,575 is: 231,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138 : 105,575 = 105,575 : x
  2. Step 2: Convert to fraction form
    48,138/105,575 = 105,575/x
  3. Step 3: Cross multiply
    48,138x = 105,575 × 105,575
  4. Step 4: Simplify right side
    48,138x = 11,146,080,625
  5. Step 5: Solve for x
    x = 11,146,080,625/48,138
  6. Step 6: Final answer
    x = 231,544.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.