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Finding the Third Proportional to 32,104 and 68,987

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Solution

The third proportional to 32,104 and 68,987 is: 148,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,104 : 68,987 = 68,987 : x
  2. Step 2: Convert to fraction form
    32,104/68,987 = 68,987/x
  3. Step 3: Cross multiply
    32,104x = 68,987 × 68,987
  4. Step 4: Simplify right side
    32,104x = 4,759,206,169
  5. Step 5: Solve for x
    x = 4,759,206,169/32,104
  6. Step 6: Final answer
    x = 148,243.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.