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Finding the Third Proportional to 220,203.56 and 349,988.34

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Solution

The third proportional to 220,203.56 and 349,988.34 is: 556,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,203.56 : 349,988.34 = 349,988.34 : x
  2. Step 2: Convert to fraction form
    220,203.56/349,988.34 = 349,988.34/x
  3. Step 3: Cross multiply
    220,203.56x = 349,988.34 × 349,988.34
  4. Step 4: Simplify right side
    220,203.56x = 122,491,840,760.87
  5. Step 5: Solve for x
    x = 122,491,840,760.87/220,203.56
  6. Step 6: Final answer
    x = 556,266.39

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.