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Finding the Third Proportional to 158,290 and 226,340

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Solution

The third proportional to 158,290 and 226,340 is: 323,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,290 : 226,340 = 226,340 : x
  2. Step 2: Convert to fraction form
    158,290/226,340 = 226,340/x
  3. Step 3: Cross multiply
    158,290x = 226,340 × 226,340
  4. Step 4: Simplify right side
    158,290x = 51,229,795,600
  5. Step 5: Solve for x
    x = 51,229,795,600/158,290
  6. Step 6: Final answer
    x = 323,645.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.