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Finding the Third Proportional to 39,929,274 and 81,750,060

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Solution

The third proportional to 39,929,274 and 81,750,060 is: 167,372,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,274 : 81,750,060 = 81,750,060 : x
  2. Step 2: Convert to fraction form
    39,929,274/81,750,060 = 81,750,060/x
  3. Step 3: Cross multiply
    39,929,274x = 81,750,060 × 81,750,060
  4. Step 4: Simplify right side
    39,929,274x = 6,683,072,310,003,600
  5. Step 5: Solve for x
    x = 6,683,072,310,003,600/39,929,274
  6. Step 6: Final answer
    x = 167,372,747.87

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.