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Finding the Third Proportional to 156,677,888 and 326,072,212

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Solution

The third proportional to 156,677,888 and 326,072,212 is: 678,609,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,677,888 : 326,072,212 = 326,072,212 : x
  2. Step 2: Convert to fraction form
    156,677,888/326,072,212 = 326,072,212/x
  3. Step 3: Cross multiply
    156,677,888x = 326,072,212 × 326,072,212
  4. Step 4: Simplify right side
    156,677,888x = 106,323,087,438,572,944
  5. Step 5: Solve for x
    x = 106,323,087,438,572,944/156,677,888
  6. Step 6: Final answer
    x = 678,609,399.17

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.