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Finding the Third Proportional to 1,393,397 and 3,018,661

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Solution

The third proportional to 1,393,397 and 3,018,661 is: 6,539,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,397 : 3,018,661 = 3,018,661 : x
  2. Step 2: Convert to fraction form
    1,393,397/3,018,661 = 3,018,661/x
  3. Step 3: Cross multiply
    1,393,397x = 3,018,661 × 3,018,661
  4. Step 4: Simplify right side
    1,393,397x = 9,112,314,232,921
  5. Step 5: Solve for x
    x = 9,112,314,232,921/1,393,397
  6. Step 6: Final answer
    x = 6,539,639.62

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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.