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Finding the Third Proportional to 615.75 and 1,436.81

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Solution

The third proportional to 615.75 and 1,436.81 is: 3,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.75 : 1,436.81 = 1,436.81 : x
  2. Step 2: Convert to fraction form
    615.75/1,436.81 = 1,436.81/x
  3. Step 3: Cross multiply
    615.75x = 1,436.81 × 1,436.81
  4. Step 4: Simplify right side
    615.75x = 2,064,430.16
  5. Step 5: Solve for x
    x = 2,064,430.16/615.75
  6. Step 6: Final answer
    x = 3,352.71

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.