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Finding the Third Proportional to 153,254 and 239,197

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Solution

The third proportional to 153,254 and 239,197 is: 373,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,254 : 239,197 = 239,197 : x
  2. Step 2: Convert to fraction form
    153,254/239,197 = 239,197/x
  3. Step 3: Cross multiply
    153,254x = 239,197 × 239,197
  4. Step 4: Simplify right side
    153,254x = 57,215,204,809
  5. Step 5: Solve for x
    x = 57,215,204,809/153,254
  6. Step 6: Final answer
    x = 373,335.80

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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.