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Finding the Third Proportional to 74,448 and 157,176

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Solution

The third proportional to 74,448 and 157,176 is: 331,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448 : 157,176 = 157,176 : x
  2. Step 2: Convert to fraction form
    74,448/157,176 = 157,176/x
  3. Step 3: Cross multiply
    74,448x = 157,176 × 157,176
  4. Step 4: Simplify right side
    74,448x = 24,704,294,976
  5. Step 5: Solve for x
    x = 24,704,294,976/74,448
  6. Step 6: Final answer
    x = 331,832.89

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.