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Finding the Third Proportional to 452,878 and 969,178

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Solution

The third proportional to 452,878 and 969,178 is: 2,074,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,878 : 969,178 = 969,178 : x
  2. Step 2: Convert to fraction form
    452,878/969,178 = 969,178/x
  3. Step 3: Cross multiply
    452,878x = 969,178 × 969,178
  4. Step 4: Simplify right side
    452,878x = 939,305,995,684
  5. Step 5: Solve for x
    x = 939,305,995,684/452,878
  6. Step 6: Final answer
    x = 2,074,081.75

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.