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Finding the Third Proportional to 74,803.50 and 112,515.75

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Solution

The third proportional to 74,803.50 and 112,515.75 is: 169,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.50 : 112,515.75 = 112,515.75 : x
  2. Step 2: Convert to fraction form
    74,803.50/112,515.75 = 112,515.75/x
  3. Step 3: Cross multiply
    74,803.50x = 112,515.75 × 112,515.75
  4. Step 4: Simplify right side
    74,803.50x = 12,659,793,998.06
  5. Step 5: Solve for x
    x = 12,659,793,998.06/74,803.50
  6. Step 6: Final answer
    x = 169,240.66

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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.