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Finding the Third Proportional to 68,476,335 and 139,344,147

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Solution

The third proportional to 68,476,335 and 139,344,147 is: 283,554,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,476,335 : 139,344,147 = 139,344,147 : x
  2. Step 2: Convert to fraction form
    68,476,335/139,344,147 = 139,344,147/x
  3. Step 3: Cross multiply
    68,476,335x = 139,344,147 × 139,344,147
  4. Step 4: Simplify right side
    68,476,335x = 19,416,791,303,157,608
  5. Step 5: Solve for x
    x = 19,416,791,303,157,608/68,476,335
  6. Step 6: Final answer
    x = 283,554,768.27

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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.