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Finding the Third Proportional to 67,840 and 104,952

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Solution

The third proportional to 67,840 and 104,952 is: 162,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,840 : 104,952 = 104,952 : x
  2. Step 2: Convert to fraction form
    67,840/104,952 = 104,952/x
  3. Step 3: Cross multiply
    67,840x = 104,952 × 104,952
  4. Step 4: Simplify right side
    67,840x = 11,014,922,304
  5. Step 5: Solve for x
    x = 11,014,922,304/67,840
  6. Step 6: Final answer
    x = 162,366.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.