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Finding the Third Proportional to 90,214 and 126,124

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Solution

The third proportional to 90,214 and 126,124 is: 176,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214 : 126,124 = 126,124 : x
  2. Step 2: Convert to fraction form
    90,214/126,124 = 126,124/x
  3. Step 3: Cross multiply
    90,214x = 126,124 × 126,124
  4. Step 4: Simplify right side
    90,214x = 15,907,263,376
  5. Step 5: Solve for x
    x = 15,907,263,376/90,214
  6. Step 6: Final answer
    x = 176,328.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.