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Finding the Third Proportional to 120,157,606 and 246,685,129

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Solution

The third proportional to 120,157,606 and 246,685,129 is: 506,447,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,157,606 : 246,685,129 = 246,685,129 : x
  2. Step 2: Convert to fraction form
    120,157,606/246,685,129 = 246,685,129/x
  3. Step 3: Cross multiply
    120,157,606x = 246,685,129 × 246,685,129
  4. Step 4: Simplify right side
    120,157,606x = 60,853,552,869,746,640
  5. Step 5: Solve for x
    x = 60,853,552,869,746,640/120,157,606
  6. Step 6: Final answer
    x = 506,447,780.51

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.