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Finding the Third Proportional to 39,954,141 and 87,685,137

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Solution

The third proportional to 39,954,141 and 87,685,137 is: 192,437,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954,141 : 87,685,137 = 87,685,137 : x
  2. Step 2: Convert to fraction form
    39,954,141/87,685,137 = 87,685,137/x
  3. Step 3: Cross multiply
    39,954,141x = 87,685,137 × 87,685,137
  4. Step 4: Simplify right side
    39,954,141x = 7,688,683,250,708,769
  5. Step 5: Solve for x
    x = 7,688,683,250,708,769/39,954,141
  6. Step 6: Final answer
    x = 192,437,706.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.