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Finding the Third Proportional to 153,276 and 239,226

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Solution

The third proportional to 153,276 and 239,226 is: 373,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,276 : 239,226 = 239,226 : x
  2. Step 2: Convert to fraction form
    153,276/239,226 = 239,226/x
  3. Step 3: Cross multiply
    153,276x = 239,226 × 239,226
  4. Step 4: Simplify right side
    153,276x = 57,229,079,076
  5. Step 5: Solve for x
    x = 57,229,079,076/153,276
  6. Step 6: Final answer
    x = 373,372.73

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.