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Finding the Third Proportional to 154,332 and 338,208

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Solution

The third proportional to 154,332 and 338,208 is: 741,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,332 : 338,208 = 338,208 : x
  2. Step 2: Convert to fraction form
    154,332/338,208 = 338,208/x
  3. Step 3: Cross multiply
    154,332x = 338,208 × 338,208
  4. Step 4: Simplify right side
    154,332x = 114,384,651,264
  5. Step 5: Solve for x
    x = 114,384,651,264/154,332
  6. Step 6: Final answer
    x = 741,159.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.