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Finding the Third Proportional to 75,130.50 and 158,644.50

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Solution

The third proportional to 75,130.50 and 158,644.50 is: 334,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,130.50 : 158,644.50 = 158,644.50 : x
  2. Step 2: Convert to fraction form
    75,130.50/158,644.50 = 158,644.50/x
  3. Step 3: Cross multiply
    75,130.50x = 158,644.50 × 158,644.50
  4. Step 4: Simplify right side
    75,130.50x = 25,168,077,380.25
  5. Step 5: Solve for x
    x = 25,168,077,380.25/75,130.50
  6. Step 6: Final answer
    x = 334,991.48

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.