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Finding the Third Proportional to 34,041.75 and 72,138.75

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Solution

The third proportional to 34,041.75 and 72,138.75 is: 152,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,041.75 : 72,138.75 = 72,138.75 : x
  2. Step 2: Convert to fraction form
    34,041.75/72,138.75 = 72,138.75/x
  3. Step 3: Cross multiply
    34,041.75x = 72,138.75 × 72,138.75
  4. Step 4: Simplify right side
    34,041.75x = 5,203,999,251.56
  5. Step 5: Solve for x
    x = 5,203,999,251.56/34,041.75
  6. Step 6: Final answer
    x = 152,871.08

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.