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Finding the Third Proportional to 7,368,192 and 15,856,128

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Solution

The third proportional to 7,368,192 and 15,856,128 is: 34,121,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368,192 : 15,856,128 = 15,856,128 : x
  2. Step 2: Convert to fraction form
    7,368,192/15,856,128 = 15,856,128/x
  3. Step 3: Cross multiply
    7,368,192x = 15,856,128 × 15,856,128
  4. Step 4: Simplify right side
    7,368,192x = 251,416,795,152,384
  5. Step 5: Solve for x
    x = 251,416,795,152,384/7,368,192
  6. Step 6: Final answer
    x = 34,121,911.47

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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.