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Finding the Third Proportional to 73,512 and 107,430.75

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Solution

The third proportional to 73,512 and 107,430.75 is: 156,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512 : 107,430.75 = 107,430.75 : x
  2. Step 2: Convert to fraction form
    73,512/107,430.75 = 107,430.75/x
  3. Step 3: Cross multiply
    73,512x = 107,430.75 × 107,430.75
  4. Step 4: Simplify right side
    73,512x = 11,541,366,045.56
  5. Step 5: Solve for x
    x = 11,541,366,045.56/73,512
  6. Step 6: Final answer
    x = 156,999.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.