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Finding the Third Proportional to 154,154 and 336,320

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Solution

The third proportional to 154,154 and 336,320 is: 733,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,154 : 336,320 = 336,320 : x
  2. Step 2: Convert to fraction form
    154,154/336,320 = 336,320/x
  3. Step 3: Cross multiply
    154,154x = 336,320 × 336,320
  4. Step 4: Simplify right side
    154,154x = 113,111,142,400
  5. Step 5: Solve for x
    x = 113,111,142,400/154,154
  6. Step 6: Final answer
    x = 733,754.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.