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Finding the Third Proportional to 141,734.39 and 308,379.23

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Solution

The third proportional to 141,734.39 and 308,379.23 is: 670,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,734.39 : 308,379.23 = 308,379.23 : x
  2. Step 2: Convert to fraction form
    141,734.39/308,379.23 = 308,379.23/x
  3. Step 3: Cross multiply
    141,734.39x = 308,379.23 × 308,379.23
  4. Step 4: Simplify right side
    141,734.39x = 95,097,752,193.71
  5. Step 5: Solve for x
    x = 95,097,752,193.71/141,734.39
  6. Step 6: Final answer
    x = 670,957.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.