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Finding the Third Proportional to 90,214.88 and 126,124.88

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Solution

The third proportional to 90,214.88 and 126,124.88 is: 176,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214.88 : 126,124.88 = 126,124.88 : x
  2. Step 2: Convert to fraction form
    90,214.88/126,124.88 = 126,124.88/x
  3. Step 3: Cross multiply
    90,214.88x = 126,124.88 × 126,124.88
  4. Step 4: Simplify right side
    90,214.88x = 15,907,484,093.77
  5. Step 5: Solve for x
    x = 15,907,484,093.77/90,214.88
  6. Step 6: Final answer
    x = 176,328.84

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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.