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Finding the Third Proportional to 920,371.50 and 1,987,749

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Solution

The third proportional to 920,371.50 and 1,987,749 is: 4,292,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,371.50 : 1,987,749 = 1,987,749 : x
  2. Step 2: Convert to fraction form
    920,371.50/1,987,749 = 1,987,749/x
  3. Step 3: Cross multiply
    920,371.50x = 1,987,749 × 1,987,749
  4. Step 4: Simplify right side
    920,371.50x = 3,951,146,087,001
  5. Step 5: Solve for x
    x = 3,951,146,087,001/920,371.50
  6. Step 6: Final answer
    x = 4,292,990.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.