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Finding the Third Proportional to 50,543.75 and 74,830

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Solution

The third proportional to 50,543.75 and 74,830 is: 110,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,543.75 : 74,830 = 74,830 : x
  2. Step 2: Convert to fraction form
    50,543.75/74,830 = 74,830/x
  3. Step 3: Cross multiply
    50,543.75x = 74,830 × 74,830
  4. Step 4: Simplify right side
    50,543.75x = 5,599,528,900
  5. Step 5: Solve for x
    x = 5,599,528,900/50,543.75
  6. Step 6: Final answer
    x = 110,785.78

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.