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Finding the Third Proportional to 92,579.63 and 138,261.94

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Solution

The third proportional to 92,579.63 and 138,261.94 is: 206,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,579.63 : 138,261.94 = 138,261.94 : x
  2. Step 2: Convert to fraction form
    92,579.63/138,261.94 = 138,261.94/x
  3. Step 3: Cross multiply
    92,579.63x = 138,261.94 × 138,261.94
  4. Step 4: Simplify right side
    92,579.63x = 19,116,363,361.25
  5. Step 5: Solve for x
    x = 19,116,363,361.25/92,579.63
  6. Step 6: Final answer
    x = 206,485.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.