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Finding the Third Proportional to 611,226 and 1,328,718

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Solution

The third proportional to 611,226 and 1,328,718 is: 2,888,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,226 : 1,328,718 = 1,328,718 : x
  2. Step 2: Convert to fraction form
    611,226/1,328,718 = 1,328,718/x
  3. Step 3: Cross multiply
    611,226x = 1,328,718 × 1,328,718
  4. Step 4: Simplify right side
    611,226x = 1,765,491,523,524
  5. Step 5: Solve for x
    x = 1,765,491,523,524/611,226
  6. Step 6: Final answer
    x = 2,888,443.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.