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Finding the Third Proportional to 45,843.75 and 70,129.13

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Solution

The third proportional to 45,843.75 and 70,129.13 is: 107,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.75 : 70,129.13 = 70,129.13 : x
  2. Step 2: Convert to fraction form
    45,843.75/70,129.13 = 70,129.13/x
  3. Step 3: Cross multiply
    45,843.75x = 70,129.13 × 70,129.13
  4. Step 4: Simplify right side
    45,843.75x = 4,918,094,173.27
  5. Step 5: Solve for x
    x = 4,918,094,173.27/45,843.75
  6. Step 6: Final answer
    x = 107,279.49

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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.