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Finding the Third Proportional to 71,258,858 and 156,136,852

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Solution

The third proportional to 71,258,858 and 156,136,852 is: 342,114,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,258,858 : 156,136,852 = 156,136,852 : x
  2. Step 2: Convert to fraction form
    71,258,858/156,136,852 = 156,136,852/x
  3. Step 3: Cross multiply
    71,258,858x = 156,136,852 × 156,136,852
  4. Step 4: Simplify right side
    71,258,858x = 24,378,716,552,469,904
  5. Step 5: Solve for x
    x = 24,378,716,552,469,904/71,258,858
  6. Step 6: Final answer
    x = 342,114,892.61

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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.