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Finding the Third Proportional to 196,260,339 and 428,168,757

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Solution

The third proportional to 196,260,339 and 428,168,757 is: 934,108,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,260,339 : 428,168,757 = 428,168,757 : x
  2. Step 2: Convert to fraction form
    196,260,339/428,168,757 = 428,168,757/x
  3. Step 3: Cross multiply
    196,260,339x = 428,168,757 × 428,168,757
  4. Step 4: Simplify right side
    196,260,339x = 183,328,484,470,925,056
  5. Step 5: Solve for x
    x = 183,328,484,470,925,056/196,260,339
  6. Step 6: Final answer
    x = 934,108,671.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.