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Finding the Third Proportional to 111,937.50 and 177,246

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Solution

The third proportional to 111,937.50 and 177,246 is: 280,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,937.50 : 177,246 = 177,246 : x
  2. Step 2: Convert to fraction form
    111,937.50/177,246 = 177,246/x
  3. Step 3: Cross multiply
    111,937.50x = 177,246 × 177,246
  4. Step 4: Simplify right side
    111,937.50x = 31,416,144,516
  5. Step 5: Solve for x
    x = 31,416,144,516/111,937.50
  6. Step 6: Final answer
    x = 280,657.91

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.