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Finding the Third Proportional to 637,416 and 1,379,376

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Solution

The third proportional to 637,416 and 1,379,376 is: 2,984,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,416 : 1,379,376 = 1,379,376 : x
  2. Step 2: Convert to fraction form
    637,416/1,379,376 = 1,379,376/x
  3. Step 3: Cross multiply
    637,416x = 1,379,376 × 1,379,376
  4. Step 4: Simplify right side
    637,416x = 1,902,678,149,376
  5. Step 5: Solve for x
    x = 1,902,678,149,376/637,416
  6. Step 6: Final answer
    x = 2,984,986.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.