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Finding the Third Proportional to 15,644.25 and 32,382

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Solution

The third proportional to 15,644.25 and 32,382 is: 67,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.25 : 32,382 = 32,382 : x
  2. Step 2: Convert to fraction form
    15,644.25/32,382 = 32,382/x
  3. Step 3: Cross multiply
    15,644.25x = 32,382 × 32,382
  4. Step 4: Simplify right side
    15,644.25x = 1,048,593,924
  5. Step 5: Solve for x
    x = 1,048,593,924/15,644.25
  6. Step 6: Final answer
    x = 67,027.43

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.