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Finding the Third Proportional to 135,388.13 and 210,483.56

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Solution

The third proportional to 135,388.13 and 210,483.56 is: 327,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,388.13 : 210,483.56 = 210,483.56 : x
  2. Step 2: Convert to fraction form
    135,388.13/210,483.56 = 210,483.56/x
  3. Step 3: Cross multiply
    135,388.13x = 210,483.56 × 210,483.56
  4. Step 4: Simplify right side
    135,388.13x = 44,303,330,082.69
  5. Step 5: Solve for x
    x = 44,303,330,082.69/135,388.13
  6. Step 6: Final answer
    x = 327,232.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.