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Finding the Third Proportional to 153,274 and 239,223

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Solution

The third proportional to 153,274 and 239,223 is: 373,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,274 : 239,223 = 239,223 : x
  2. Step 2: Convert to fraction form
    153,274/239,223 = 239,223/x
  3. Step 3: Cross multiply
    153,274x = 239,223 × 239,223
  4. Step 4: Simplify right side
    153,274x = 57,227,643,729
  5. Step 5: Solve for x
    x = 57,227,643,729/153,274
  6. Step 6: Final answer
    x = 373,368.24

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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.