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Finding the Third Proportional to 168,430.50 and 253,329.19

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Solution

The third proportional to 168,430.50 and 253,329.19 is: 381,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,430.50 : 253,329.19 = 253,329.19 : x
  2. Step 2: Convert to fraction form
    168,430.50/253,329.19 = 253,329.19/x
  3. Step 3: Cross multiply
    168,430.50x = 253,329.19 × 253,329.19
  4. Step 4: Simplify right side
    168,430.50x = 64,175,677,239.41
  5. Step 5: Solve for x
    x = 64,175,677,239.41/168,430.50
  6. Step 6: Final answer
    x = 381,021.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.