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Finding the Third Proportional to 55,609,866 and 121,105,886

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Solution

The third proportional to 55,609,866 and 121,105,886 is: 263,741,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609,866 : 121,105,886 = 121,105,886 : x
  2. Step 2: Convert to fraction form
    55,609,866/121,105,886 = 121,105,886/x
  3. Step 3: Cross multiply
    55,609,866x = 121,105,886 × 121,105,886
  4. Step 4: Simplify right side
    55,609,866x = 14,666,635,623,844,996
  5. Step 5: Solve for x
    x = 14,666,635,623,844,996/55,609,866
  6. Step 6: Final answer
    x = 263,741,610.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.