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Finding the Third Proportional to 221,785.50 and 344,059.50

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Solution

The third proportional to 221,785.50 and 344,059.50 is: 533,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,785.50 : 344,059.50 = 344,059.50 : x
  2. Step 2: Convert to fraction form
    221,785.50/344,059.50 = 344,059.50/x
  3. Step 3: Cross multiply
    221,785.50x = 344,059.50 × 344,059.50
  4. Step 4: Simplify right side
    221,785.50x = 118,376,939,540.25
  5. Step 5: Solve for x
    x = 118,376,939,540.25/221,785.50
  6. Step 6: Final answer
    x = 533,745.17

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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.