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Finding the Third Proportional to 54,545,267 and 121,198,090

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Solution

The third proportional to 54,545,267 and 121,198,090 is: 269,298,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,545,267 : 121,198,090 = 121,198,090 : x
  2. Step 2: Convert to fraction form
    54,545,267/121,198,090 = 121,198,090/x
  3. Step 3: Cross multiply
    54,545,267x = 121,198,090 × 121,198,090
  4. Step 4: Simplify right side
    54,545,267x = 14,688,977,019,648,100
  5. Step 5: Solve for x
    x = 14,688,977,019,648,100/54,545,267
  6. Step 6: Final answer
    x = 269,298,837.97

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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.