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Finding the Third Proportional to 4,130,517 and 8,947,482

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Solution

The third proportional to 4,130,517 and 8,947,482 is: 19,381,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,517 : 8,947,482 = 8,947,482 : x
  2. Step 2: Convert to fraction form
    4,130,517/8,947,482 = 8,947,482/x
  3. Step 3: Cross multiply
    4,130,517x = 8,947,482 × 8,947,482
  4. Step 4: Simplify right side
    4,130,517x = 80,057,434,140,324
  5. Step 5: Solve for x
    x = 80,057,434,140,324/4,130,517
  6. Step 6: Final answer
    x = 19,381,940.36

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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.