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Finding the Third Proportional to 3,890 and 5,953

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Solution

The third proportional to 3,890 and 5,953 is: 9,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890 : 5,953 = 5,953 : x
  2. Step 2: Convert to fraction form
    3,890/5,953 = 5,953/x
  3. Step 3: Cross multiply
    3,890x = 5,953 × 5,953
  4. Step 4: Simplify right side
    3,890x = 35,438,209
  5. Step 5: Solve for x
    x = 35,438,209/3,890
  6. Step 6: Final answer
    x = 9,110.08

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.