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Finding the Third Proportional to 263,351.25 and 621,290.25

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Solution

The third proportional to 263,351.25 and 621,290.25 is: 1,465,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,351.25 : 621,290.25 = 621,290.25 : x
  2. Step 2: Convert to fraction form
    263,351.25/621,290.25 = 621,290.25/x
  3. Step 3: Cross multiply
    263,351.25x = 621,290.25 × 621,290.25
  4. Step 4: Simplify right side
    263,351.25x = 386,001,574,745.06
  5. Step 5: Solve for x
    x = 386,001,574,745.06/263,351.25
  6. Step 6: Final answer
    x = 1,465,729.04

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.