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Finding the Third Proportional to 155,220.75 and 233,739

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Solution

The third proportional to 155,220.75 and 233,739 is: 351,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,220.75 : 233,739 = 233,739 : x
  2. Step 2: Convert to fraction form
    155,220.75/233,739 = 233,739/x
  3. Step 3: Cross multiply
    155,220.75x = 233,739 × 233,739
  4. Step 4: Simplify right side
    155,220.75x = 54,633,920,121
  5. Step 5: Solve for x
    x = 54,633,920,121/155,220.75
  6. Step 6: Final answer
    x = 351,975.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.