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Finding the Third Proportional to 623,396.25 and 1,342,143

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Solution

The third proportional to 623,396.25 and 1,342,143 is: 2,889,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,396.25 : 1,342,143 = 1,342,143 : x
  2. Step 2: Convert to fraction form
    623,396.25/1,342,143 = 1,342,143/x
  3. Step 3: Cross multiply
    623,396.25x = 1,342,143 × 1,342,143
  4. Step 4: Simplify right side
    623,396.25x = 1,801,347,832,449
  5. Step 5: Solve for x
    x = 1,801,347,832,449/623,396.25
  6. Step 6: Final answer
    x = 2,889,571.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.