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Finding the Third Proportional to 32,511 and 69,871.75

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Solution

The third proportional to 32,511 and 69,871.75 is: 150,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511 : 69,871.75 = 69,871.75 : x
  2. Step 2: Convert to fraction form
    32,511/69,871.75 = 69,871.75/x
  3. Step 3: Cross multiply
    32,511x = 69,871.75 × 69,871.75
  4. Step 4: Simplify right side
    32,511x = 4,882,061,448.06
  5. Step 5: Solve for x
    x = 4,882,061,448.06/32,511
  6. Step 6: Final answer
    x = 150,166.45

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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.