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Finding the Third Proportional to 864,902.25 and 1,857,683.25

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Solution

The third proportional to 864,902.25 and 1,857,683.25 is: 3,990,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,902.25 : 1,857,683.25 = 1,857,683.25 : x
  2. Step 2: Convert to fraction form
    864,902.25/1,857,683.25 = 1,857,683.25/x
  3. Step 3: Cross multiply
    864,902.25x = 1,857,683.25 × 1,857,683.25
  4. Step 4: Simplify right side
    864,902.25x = 3,450,987,057,330.56
  5. Step 5: Solve for x
    x = 3,450,987,057,330.56/864,902.25
  6. Step 6: Final answer
    x = 3,990,031.31

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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.