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Finding the Third Proportional to 15,435 and 32,085

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Solution

The third proportional to 15,435 and 32,085 is: 66,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435 : 32,085 = 32,085 : x
  2. Step 2: Convert to fraction form
    15,435/32,085 = 32,085/x
  3. Step 3: Cross multiply
    15,435x = 32,085 × 32,085
  4. Step 4: Simplify right side
    15,435x = 1,029,447,225
  5. Step 5: Solve for x
    x = 1,029,447,225/15,435
  6. Step 6: Final answer
    x = 66,695.64

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.