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Finding the Third Proportional to 169,030.50 and 253,015.50

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Solution

The third proportional to 169,030.50 and 253,015.50 is: 378,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,030.50 : 253,015.50 = 253,015.50 : x
  2. Step 2: Convert to fraction form
    169,030.50/253,015.50 = 253,015.50/x
  3. Step 3: Cross multiply
    169,030.50x = 253,015.50 × 253,015.50
  4. Step 4: Simplify right side
    169,030.50x = 64,016,843,240.25
  5. Step 5: Solve for x
    x = 64,016,843,240.25/169,030.50
  6. Step 6: Final answer
    x = 378,729.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.