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Finding the Third Proportional to 268,229,738 and 410,043,279

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Solution

The third proportional to 268,229,738 and 410,043,279 is: 626,833,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,229,738 : 410,043,279 = 410,043,279 : x
  2. Step 2: Convert to fraction form
    268,229,738/410,043,279 = 410,043,279/x
  3. Step 3: Cross multiply
    268,229,738x = 410,043,279 × 410,043,279
  4. Step 4: Simplify right side
    268,229,738x = 168,135,490,653,071,840
  5. Step 5: Solve for x
    x = 168,135,490,653,071,840/268,229,738
  6. Step 6: Final answer
    x = 626,833,892.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.