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Finding the Third Proportional to 32,160 and 69,252

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Solution

The third proportional to 32,160 and 69,252 is: 149,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,160 : 69,252 = 69,252 : x
  2. Step 2: Convert to fraction form
    32,160/69,252 = 69,252/x
  3. Step 3: Cross multiply
    32,160x = 69,252 × 69,252
  4. Step 4: Simplify right side
    32,160x = 4,795,839,504
  5. Step 5: Solve for x
    x = 4,795,839,504/32,160
  6. Step 6: Final answer
    x = 149,124.36

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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.