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Finding the Third Proportional to 79,046.13 and 121,485.25

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Solution

The third proportional to 79,046.13 and 121,485.25 is: 186,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046.13 : 121,485.25 = 121,485.25 : x
  2. Step 2: Convert to fraction form
    79,046.13/121,485.25 = 121,485.25/x
  3. Step 3: Cross multiply
    79,046.13x = 121,485.25 × 121,485.25
  4. Step 4: Simplify right side
    79,046.13x = 14,758,665,967.56
  5. Step 5: Solve for x
    x = 14,758,665,967.56/79,046.13
  6. Step 6: Final answer
    x = 186,709.54

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.