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Finding the Third Proportional to 54,840 and 82,664

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Solution

The third proportional to 54,840 and 82,664 is: 124,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840 : 82,664 = 82,664 : x
  2. Step 2: Convert to fraction form
    54,840/82,664 = 82,664/x
  3. Step 3: Cross multiply
    54,840x = 82,664 × 82,664
  4. Step 4: Simplify right side
    54,840x = 6,833,336,896
  5. Step 5: Solve for x
    x = 6,833,336,896/54,840
  6. Step 6: Final answer
    x = 124,604.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.