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Finding the Third Proportional to 459,346 and 670,874

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Solution

The third proportional to 459,346 and 670,874 is: 979,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,346 : 670,874 = 670,874 : x
  2. Step 2: Convert to fraction form
    459,346/670,874 = 670,874/x
  3. Step 3: Cross multiply
    459,346x = 670,874 × 670,874
  4. Step 4: Simplify right side
    459,346x = 450,071,923,876
  5. Step 5: Solve for x
    x = 450,071,923,876/459,346
  6. Step 6: Final answer
    x = 979,810.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.