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Finding the Third Proportional to 79,885.30 and 124,633.37

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Solution

The third proportional to 79,885.30 and 124,633.37 is: 194,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885.30 : 124,633.37 = 124,633.37 : x
  2. Step 2: Convert to fraction form
    79,885.30/124,633.37 = 124,633.37/x
  3. Step 3: Cross multiply
    79,885.30x = 124,633.37 × 124,633.37
  4. Step 4: Simplify right side
    79,885.30x = 15,533,477,190.19
  5. Step 5: Solve for x
    x = 15,533,477,190.19/79,885.30
  6. Step 6: Final answer
    x = 194,447.25

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.