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Finding the Third Proportional to 415.13 and 965.06

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Solution

The third proportional to 415.13 and 965.06 is: 2,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.13 : 965.06 = 965.06 : x
  2. Step 2: Convert to fraction form
    415.13/965.06 = 965.06/x
  3. Step 3: Cross multiply
    415.13x = 965.06 × 965.06
  4. Step 4: Simplify right side
    415.13x = 931,345.63
  5. Step 5: Solve for x
    x = 931,345.63/415.13
  6. Step 6: Final answer
    x = 2,243.53

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.