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Finding the Third Proportional to 55,886 and 121,636

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Solution

The third proportional to 55,886 and 121,636 is: 264,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886 : 121,636 = 121,636 : x
  2. Step 2: Convert to fraction form
    55,886/121,636 = 121,636/x
  3. Step 3: Cross multiply
    55,886x = 121,636 × 121,636
  4. Step 4: Simplify right side
    55,886x = 14,795,316,496
  5. Step 5: Solve for x
    x = 14,795,316,496/55,886
  6. Step 6: Final answer
    x = 264,741.02

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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.