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Finding the Third Proportional to 422,749 and 887,038

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Solution

The third proportional to 422,749 and 887,038 is: 1,861,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,749 : 887,038 = 887,038 : x
  2. Step 2: Convert to fraction form
    422,749/887,038 = 887,038/x
  3. Step 3: Cross multiply
    422,749x = 887,038 × 887,038
  4. Step 4: Simplify right side
    422,749x = 786,836,413,444
  5. Step 5: Solve for x
    x = 786,836,413,444/422,749
  6. Step 6: Final answer
    x = 1,861,237.79

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.