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Finding the Third Proportional to 155,068,728 and 338,304,048

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Solution

The third proportional to 155,068,728 and 338,304,048 is: 738,057,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,068,728 : 338,304,048 = 338,304,048 : x
  2. Step 2: Convert to fraction form
    155,068,728/338,304,048 = 338,304,048/x
  3. Step 3: Cross multiply
    155,068,728x = 338,304,048 × 338,304,048
  4. Step 4: Simplify right side
    155,068,728x = 114,449,628,893,186,304
  5. Step 5: Solve for x
    x = 114,449,628,893,186,304/155,068,728
  6. Step 6: Final answer
    x = 738,057,443.10

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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.