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Finding the Third Proportional to 74,276.63 and 111,430.95

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Solution

The third proportional to 74,276.63 and 111,430.95 is: 167,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276.63 : 111,430.95 = 111,430.95 : x
  2. Step 2: Convert to fraction form
    74,276.63/111,430.95 = 111,430.95/x
  3. Step 3: Cross multiply
    74,276.63x = 111,430.95 × 111,430.95
  4. Step 4: Simplify right side
    74,276.63x = 12,416,856,879.07
  5. Step 5: Solve for x
    x = 12,416,856,879.07/74,276.63
  6. Step 6: Final answer
    x = 167,170.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.