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Finding the Third Proportional to 63,679,311 and 136,440,174

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Solution

The third proportional to 63,679,311 and 136,440,174 is: 292,338,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679,311 : 136,440,174 = 136,440,174 : x
  2. Step 2: Convert to fraction form
    63,679,311/136,440,174 = 136,440,174/x
  3. Step 3: Cross multiply
    63,679,311x = 136,440,174 × 136,440,174
  4. Step 4: Simplify right side
    63,679,311x = 18,615,921,081,150,276
  5. Step 5: Solve for x
    x = 18,615,921,081,150,276/63,679,311
  6. Step 6: Final answer
    x = 292,338,607.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.