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Finding the Third Proportional to 860.06 and 1,851.75

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Solution

The third proportional to 860.06 and 1,851.75 is: 3,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    860.06 : 1,851.75 = 1,851.75 : x
  2. Step 2: Convert to fraction form
    860.06/1,851.75 = 1,851.75/x
  3. Step 3: Cross multiply
    860.06x = 1,851.75 × 1,851.75
  4. Step 4: Simplify right side
    860.06x = 3,428,978.06
  5. Step 5: Solve for x
    x = 3,428,978.06/860.06
  6. Step 6: Final answer
    x = 3,986.89

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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.