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Finding the Third Proportional to 900,504 and 1,967,220

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Solution

The third proportional to 900,504 and 1,967,220 is: 4,297,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,504 : 1,967,220 = 1,967,220 : x
  2. Step 2: Convert to fraction form
    900,504/1,967,220 = 1,967,220/x
  3. Step 3: Cross multiply
    900,504x = 1,967,220 × 1,967,220
  4. Step 4: Simplify right side
    900,504x = 3,869,954,528,400
  5. Step 5: Solve for x
    x = 3,869,954,528,400/900,504
  6. Step 6: Final answer
    x = 4,297,542.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.