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Finding the Third Proportional to 1,339,891 and 2,920,297

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Solution

The third proportional to 1,339,891 and 2,920,297 is: 6,364,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,891 : 2,920,297 = 2,920,297 : x
  2. Step 2: Convert to fraction form
    1,339,891/2,920,297 = 2,920,297/x
  3. Step 3: Cross multiply
    1,339,891x = 2,920,297 × 2,920,297
  4. Step 4: Simplify right side
    1,339,891x = 8,528,134,568,209
  5. Step 5: Solve for x
    x = 8,528,134,568,209/1,339,891
  6. Step 6: Final answer
    x = 6,364,797.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.