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Finding the Third Proportional to 68,476,337 and 139,344,151

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Solution

The third proportional to 68,476,337 and 139,344,151 is: 283,554,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,476,337 : 139,344,151 = 139,344,151 : x
  2. Step 2: Convert to fraction form
    68,476,337/139,344,151 = 139,344,151/x
  3. Step 3: Cross multiply
    68,476,337x = 139,344,151 × 139,344,151
  4. Step 4: Simplify right side
    68,476,337x = 19,416,792,417,910,800
  5. Step 5: Solve for x
    x = 19,416,792,417,910,800/68,476,337
  6. Step 6: Final answer
    x = 283,554,776.27

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.