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Finding the Third Proportional to 54,690 and 118,848

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Solution

The third proportional to 54,690 and 118,848 is: 258,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690 : 118,848 = 118,848 : x
  2. Step 2: Convert to fraction form
    54,690/118,848 = 118,848/x
  3. Step 3: Cross multiply
    54,690x = 118,848 × 118,848
  4. Step 4: Simplify right side
    54,690x = 14,124,847,104
  5. Step 5: Solve for x
    x = 14,124,847,104/54,690
  6. Step 6: Final answer
    x = 258,271.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.