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Finding the Third Proportional to 122,711,244 and 272,662,638

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Solution

The third proportional to 122,711,244 and 272,662,638 is: 605,852,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711,244 : 272,662,638 = 272,662,638 : x
  2. Step 2: Convert to fraction form
    122,711,244/272,662,638 = 272,662,638/x
  3. Step 3: Cross multiply
    122,711,244x = 272,662,638 × 272,662,638
  4. Step 4: Simplify right side
    122,711,244x = 74,344,914,161,119,040
  5. Step 5: Solve for x
    x = 74,344,914,161,119,040/122,711,244
  6. Step 6: Final answer
    x = 605,852,501.68

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.