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Finding the Third Proportional to 74,595,072 and 156,920,172

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Solution

The third proportional to 74,595,072 and 156,920,172 is: 330,101,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,595,072 : 156,920,172 = 156,920,172 : x
  2. Step 2: Convert to fraction form
    74,595,072/156,920,172 = 156,920,172/x
  3. Step 3: Cross multiply
    74,595,072x = 156,920,172 × 156,920,172
  4. Step 4: Simplify right side
    74,595,072x = 24,623,940,380,509,584
  5. Step 5: Solve for x
    x = 24,623,940,380,509,584/74,595,072
  6. Step 6: Final answer
    x = 330,101,435.93

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.