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Finding the Third Proportional to 239,521 and 375,738

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Solution

The third proportional to 239,521 and 375,738 is: 589,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,521 : 375,738 = 375,738 : x
  2. Step 2: Convert to fraction form
    239,521/375,738 = 375,738/x
  3. Step 3: Cross multiply
    239,521x = 375,738 × 375,738
  4. Step 4: Simplify right side
    239,521x = 141,179,044,644
  5. Step 5: Solve for x
    x = 141,179,044,644/239,521
  6. Step 6: Final answer
    x = 589,422.41

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.