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Finding the Third Proportional to 154,835.38 and 239,300.63

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Solution

The third proportional to 154,835.38 and 239,300.63 is: 369,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,835.38 : 239,300.63 = 239,300.63 : x
  2. Step 2: Convert to fraction form
    154,835.38/239,300.63 = 239,300.63/x
  3. Step 3: Cross multiply
    154,835.38x = 239,300.63 × 239,300.63
  4. Step 4: Simplify right side
    154,835.38x = 57,264,789,125.39
  5. Step 5: Solve for x
    x = 57,264,789,125.39/154,835.38
  6. Step 6: Final answer
    x = 369,843.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.