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Finding the Third Proportional to 73,188 and 157,472

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Solution

The third proportional to 73,188 and 157,472 is: 338,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,188 : 157,472 = 157,472 : x
  2. Step 2: Convert to fraction form
    73,188/157,472 = 157,472/x
  3. Step 3: Cross multiply
    73,188x = 157,472 × 157,472
  4. Step 4: Simplify right side
    73,188x = 24,797,430,784
  5. Step 5: Solve for x
    x = 24,797,430,784/73,188
  6. Step 6: Final answer
    x = 338,818.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.