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Finding the Third Proportional to 79,216.50 and 118,424.25

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Solution

The third proportional to 79,216.50 and 118,424.25 is: 177,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216.50 : 118,424.25 = 118,424.25 : x
  2. Step 2: Convert to fraction form
    79,216.50/118,424.25 = 118,424.25/x
  3. Step 3: Cross multiply
    79,216.50x = 118,424.25 × 118,424.25
  4. Step 4: Simplify right side
    79,216.50x = 14,024,302,988.06
  5. Step 5: Solve for x
    x = 14,024,302,988.06/79,216.50
  6. Step 6: Final answer
    x = 177,037.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.