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Finding the Third Proportional to 617,622 and 1,338,337

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Solution

The third proportional to 617,622 and 1,338,337 is: 2,900,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,622 : 1,338,337 = 1,338,337 : x
  2. Step 2: Convert to fraction form
    617,622/1,338,337 = 1,338,337/x
  3. Step 3: Cross multiply
    617,622x = 1,338,337 × 1,338,337
  4. Step 4: Simplify right side
    617,622x = 1,791,145,925,569
  5. Step 5: Solve for x
    x = 1,791,145,925,569/617,622
  6. Step 6: Final answer
    x = 2,900,068.21

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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.