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Finding the Third Proportional to 155,467.50 and 343,603.50

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Solution

The third proportional to 155,467.50 and 343,603.50 is: 759,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,467.50 : 343,603.50 = 343,603.50 : x
  2. Step 2: Convert to fraction form
    155,467.50/343,603.50 = 343,603.50/x
  3. Step 3: Cross multiply
    155,467.50x = 343,603.50 × 343,603.50
  4. Step 4: Simplify right side
    155,467.50x = 118,063,365,212.25
  5. Step 5: Solve for x
    x = 118,063,365,212.25/155,467.50
  6. Step 6: Final answer
    x = 759,408.66

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.