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Finding the Third Proportional to 136,362.87 and 299,795.55

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Solution

The third proportional to 136,362.87 and 299,795.55 is: 659,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,362.87 : 299,795.55 = 299,795.55 : x
  2. Step 2: Convert to fraction form
    136,362.87/299,795.55 = 299,795.55/x
  3. Step 3: Cross multiply
    136,362.87x = 299,795.55 × 299,795.55
  4. Step 4: Simplify right side
    136,362.87x = 89,877,374,610.39
  5. Step 5: Solve for x
    x = 89,877,374,610.39/136,362.87
  6. Step 6: Final answer
    x = 659,104.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.