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Finding the Third Proportional to 179,258.63 and 393,509.25

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Solution

The third proportional to 179,258.63 and 393,509.25 is: 863,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,258.63 : 393,509.25 = 393,509.25 : x
  2. Step 2: Convert to fraction form
    179,258.63/393,509.25 = 393,509.25/x
  3. Step 3: Cross multiply
    179,258.63x = 393,509.25 × 393,509.25
  4. Step 4: Simplify right side
    179,258.63x = 154,849,529,835.56
  5. Step 5: Solve for x
    x = 154,849,529,835.56/179,258.63
  6. Step 6: Final answer
    x = 863,833.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.