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Finding the Third Proportional to 161,112,042 and 247,784,211

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Solution

The third proportional to 161,112,042 and 247,784,211 is: 381,082,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,112,042 : 247,784,211 = 247,784,211 : x
  2. Step 2: Convert to fraction form
    161,112,042/247,784,211 = 247,784,211/x
  3. Step 3: Cross multiply
    161,112,042x = 247,784,211 × 247,784,211
  4. Step 4: Simplify right side
    161,112,042x = 61,397,015,220,892,520
  5. Step 5: Solve for x
    x = 61,397,015,220,892,520/161,112,042
  6. Step 6: Final answer
    x = 381,082,720.19

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.