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Finding the Third Proportional to 436,212 and 911,952

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Solution

The third proportional to 436,212 and 911,952 is: 1,906,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,212 : 911,952 = 911,952 : x
  2. Step 2: Convert to fraction form
    436,212/911,952 = 911,952/x
  3. Step 3: Cross multiply
    436,212x = 911,952 × 911,952
  4. Step 4: Simplify right side
    436,212x = 831,656,450,304
  5. Step 5: Solve for x
    x = 831,656,450,304/436,212
  6. Step 6: Final answer
    x = 1,906,541.89

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.