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Finding the Third Proportional to 36,807 and 79,072.50

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Solution

The third proportional to 36,807 and 79,072.50 is: 169,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,807 : 79,072.50 = 79,072.50 : x
  2. Step 2: Convert to fraction form
    36,807/79,072.50 = 79,072.50/x
  3. Step 3: Cross multiply
    36,807x = 79,072.50 × 79,072.50
  4. Step 4: Simplify right side
    36,807x = 6,252,460,256.25
  5. Step 5: Solve for x
    x = 6,252,460,256.25/36,807
  6. Step 6: Final answer
    x = 169,871.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.