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Finding the Third Proportional to 68,883,638 and 148,725,174

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Solution

The third proportional to 68,883,638 and 148,725,174 is: 321,109,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,883,638 : 148,725,174 = 148,725,174 : x
  2. Step 2: Convert to fraction form
    68,883,638/148,725,174 = 148,725,174/x
  3. Step 3: Cross multiply
    68,883,638x = 148,725,174 × 148,725,174
  4. Step 4: Simplify right side
    68,883,638x = 22,119,177,381,330,276
  5. Step 5: Solve for x
    x = 22,119,177,381,330,276/68,883,638
  6. Step 6: Final answer
    x = 321,109,308.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.