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Finding the Third Proportional to 829,912 and 1,317,444

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Solution

The third proportional to 829,912 and 1,317,444 is: 2,091,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,912 : 1,317,444 = 1,317,444 : x
  2. Step 2: Convert to fraction form
    829,912/1,317,444 = 1,317,444/x
  3. Step 3: Cross multiply
    829,912x = 1,317,444 × 1,317,444
  4. Step 4: Simplify right side
    829,912x = 1,735,658,693,136
  5. Step 5: Solve for x
    x = 1,735,658,693,136/829,912
  6. Step 6: Final answer
    x = 2,091,376.79

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.