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Finding the Third Proportional to 637,416 and 994,788

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Solution

The third proportional to 637,416 and 994,788 is: 1,552,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,416 : 994,788 = 994,788 : x
  2. Step 2: Convert to fraction form
    637,416/994,788 = 994,788/x
  3. Step 3: Cross multiply
    637,416x = 994,788 × 994,788
  4. Step 4: Simplify right side
    637,416x = 989,603,164,944
  5. Step 5: Solve for x
    x = 989,603,164,944/637,416
  6. Step 6: Final answer
    x = 1,552,523.26

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.