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Finding the Third Proportional to 47,499.75 and 74,124.75

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Solution

The third proportional to 47,499.75 and 74,124.75 is: 115,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,499.75 : 74,124.75 = 74,124.75 : x
  2. Step 2: Convert to fraction form
    47,499.75/74,124.75 = 74,124.75/x
  3. Step 3: Cross multiply
    47,499.75x = 74,124.75 × 74,124.75
  4. Step 4: Simplify right side
    47,499.75x = 5,494,478,562.56
  5. Step 5: Solve for x
    x = 5,494,478,562.56/47,499.75
  6. Step 6: Final answer
    x = 115,673.84

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.