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Finding the Third Proportional to 116,372 and 177,942

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Solution

The third proportional to 116,372 and 177,942 is: 272,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,372 : 177,942 = 177,942 : x
  2. Step 2: Convert to fraction form
    116,372/177,942 = 177,942/x
  3. Step 3: Cross multiply
    116,372x = 177,942 × 177,942
  4. Step 4: Simplify right side
    116,372x = 31,663,355,364
  5. Step 5: Solve for x
    x = 31,663,355,364/116,372
  6. Step 6: Final answer
    x = 272,087.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.