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Finding the Third Proportional to 15,177,380 and 33,128,416

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Solution

The third proportional to 15,177,380 and 33,128,416 is: 72,311,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177,380 : 33,128,416 = 33,128,416 : x
  2. Step 2: Convert to fraction form
    15,177,380/33,128,416 = 33,128,416/x
  3. Step 3: Cross multiply
    15,177,380x = 33,128,416 × 33,128,416
  4. Step 4: Simplify right side
    15,177,380x = 1,097,491,946,669,056
  5. Step 5: Solve for x
    x = 1,097,491,946,669,056/15,177,380
  6. Step 6: Final answer
    x = 72,311,027.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.