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Finding the Third Proportional to 429,821.25 and 923,072.25

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Solution

The third proportional to 429,821.25 and 923,072.25 is: 1,982,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,821.25 : 923,072.25 = 923,072.25 : x
  2. Step 2: Convert to fraction form
    429,821.25/923,072.25 = 923,072.25/x
  3. Step 3: Cross multiply
    429,821.25x = 923,072.25 × 923,072.25
  4. Step 4: Simplify right side
    429,821.25x = 852,062,378,720.06
  5. Step 5: Solve for x
    x = 852,062,378,720.06/429,821.25
  6. Step 6: Final answer
    x = 1,982,364.48

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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.