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Finding the Third Proportional to 70,471.13 and 107,939.25

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Solution

The third proportional to 70,471.13 and 107,939.25 is: 165,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,471.13 : 107,939.25 = 107,939.25 : x
  2. Step 2: Convert to fraction form
    70,471.13/107,939.25 = 107,939.25/x
  3. Step 3: Cross multiply
    70,471.13x = 107,939.25 × 107,939.25
  4. Step 4: Simplify right side
    70,471.13x = 11,650,881,690.56
  5. Step 5: Solve for x
    x = 11,650,881,690.56/70,471.13
  6. Step 6: Final answer
    x = 165,328.45

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.