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Finding the Third Proportional to 61,615,655 and 133,505,755

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Solution

The third proportional to 61,615,655 and 133,505,755 is: 289,273,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,615,655 : 133,505,755 = 133,505,755 : x
  2. Step 2: Convert to fraction form
    61,615,655/133,505,755 = 133,505,755/x
  3. Step 3: Cross multiply
    61,615,655x = 133,505,755 × 133,505,755
  4. Step 4: Simplify right side
    61,615,655x = 17,823,786,618,120,024
  5. Step 5: Solve for x
    x = 17,823,786,618,120,024/61,615,655
  6. Step 6: Final answer
    x = 289,273,669.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.