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Finding the Third Proportional to 5,890.50 and 15,090.75

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Solution

The third proportional to 5,890.50 and 15,090.75 is: 38,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.50 : 15,090.75 = 15,090.75 : x
  2. Step 2: Convert to fraction form
    5,890.50/15,090.75 = 15,090.75/x
  3. Step 3: Cross multiply
    5,890.50x = 15,090.75 × 15,090.75
  4. Step 4: Simplify right side
    5,890.50x = 227,730,735.56
  5. Step 5: Solve for x
    x = 227,730,735.56/5,890.50
  6. Step 6: Final answer
    x = 38,660.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.