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Finding the Third Proportional to 853,192 and 1,278,480

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Solution

The third proportional to 853,192 and 1,278,480 is: 1,915,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,192 : 1,278,480 = 1,278,480 : x
  2. Step 2: Convert to fraction form
    853,192/1,278,480 = 1,278,480/x
  3. Step 3: Cross multiply
    853,192x = 1,278,480 × 1,278,480
  4. Step 4: Simplify right side
    853,192x = 1,634,511,110,400
  5. Step 5: Solve for x
    x = 1,634,511,110,400/853,192
  6. Step 6: Final answer
    x = 1,915,760.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.