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Finding the Third Proportional to 3,170,655 and 6,947,289

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Solution

The third proportional to 3,170,655 and 6,947,289 is: 15,222,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170,655 : 6,947,289 = 6,947,289 : x
  2. Step 2: Convert to fraction form
    3,170,655/6,947,289 = 6,947,289/x
  3. Step 3: Cross multiply
    3,170,655x = 6,947,289 × 6,947,289
  4. Step 4: Simplify right side
    3,170,655x = 48,264,824,449,521
  5. Step 5: Solve for x
    x = 48,264,824,449,521/3,170,655
  6. Step 6: Final answer
    x = 15,222,351.36

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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.