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Finding the Third Proportional to 122,802,739 and 268,678,328

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Solution

The third proportional to 122,802,739 and 268,678,328 is: 587,837,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,802,739 : 268,678,328 = 268,678,328 : x
  2. Step 2: Convert to fraction form
    122,802,739/268,678,328 = 268,678,328/x
  3. Step 3: Cross multiply
    122,802,739x = 268,678,328 × 268,678,328
  4. Step 4: Simplify right side
    122,802,739x = 72,188,043,936,875,584
  5. Step 5: Solve for x
    x = 72,188,043,936,875,584/122,802,739
  6. Step 6: Final answer
    x = 587,837,409.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.