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Finding the Third Proportional to 122,726,858 and 272,695,690

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Solution

The third proportional to 122,726,858 and 272,695,690 is: 605,922,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,726,858 : 272,695,690 = 272,695,690 : x
  2. Step 2: Convert to fraction form
    122,726,858/272,695,690 = 272,695,690/x
  3. Step 3: Cross multiply
    122,726,858x = 272,695,690 × 272,695,690
  4. Step 4: Simplify right side
    122,726,858x = 74,362,939,344,576,096
  5. Step 5: Solve for x
    x = 74,362,939,344,576,096/122,726,858
  6. Step 6: Final answer
    x = 605,922,294.08

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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.