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Finding the Third Proportional to 15,235 and 33,318

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Solution

The third proportional to 15,235 and 33,318 is: 72,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235 : 33,318 = 33,318 : x
  2. Step 2: Convert to fraction form
    15,235/33,318 = 33,318/x
  3. Step 3: Cross multiply
    15,235x = 33,318 × 33,318
  4. Step 4: Simplify right side
    15,235x = 1,110,089,124
  5. Step 5: Solve for x
    x = 1,110,089,124/15,235
  6. Step 6: Final answer
    x = 72,864.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.