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Finding the Third Proportional to 159,630 and 238,058

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Solution

The third proportional to 159,630 and 238,058 is: 355,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,630 : 238,058 = 238,058 : x
  2. Step 2: Convert to fraction form
    159,630/238,058 = 238,058/x
  3. Step 3: Cross multiply
    159,630x = 238,058 × 238,058
  4. Step 4: Simplify right side
    159,630x = 56,671,611,364
  5. Step 5: Solve for x
    x = 56,671,611,364/159,630
  6. Step 6: Final answer
    x = 355,018.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.