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Finding the Third Proportional to 59,480.72 and 128,762.44

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Solution

The third proportional to 59,480.72 and 128,762.44 is: 278,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,480.72 : 128,762.44 = 128,762.44 : x
  2. Step 2: Convert to fraction form
    59,480.72/128,762.44 = 128,762.44/x
  3. Step 3: Cross multiply
    59,480.72x = 128,762.44 × 128,762.44
  4. Step 4: Simplify right side
    59,480.72x = 16,579,765,310.94
  5. Step 5: Solve for x
    x = 16,579,765,310.94/59,480.72
  6. Step 6: Final answer
    x = 278,741.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.