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Finding the Third Proportional to 51,433.13 and 80,157

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Solution

The third proportional to 51,433.13 and 80,157 is: 124,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.13 : 80,157 = 80,157 : x
  2. Step 2: Convert to fraction form
    51,433.13/80,157 = 80,157/x
  3. Step 3: Cross multiply
    51,433.13x = 80,157 × 80,157
  4. Step 4: Simplify right side
    51,433.13x = 6,425,144,649
  5. Step 5: Solve for x
    x = 6,425,144,649/51,433.13
  6. Step 6: Final answer
    x = 124,922.31

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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.