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Finding the Third Proportional to 55,888 and 120,488

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Solution

The third proportional to 55,888 and 120,488 is: 259,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888 : 120,488 = 120,488 : x
  2. Step 2: Convert to fraction form
    55,888/120,488 = 120,488/x
  3. Step 3: Cross multiply
    55,888x = 120,488 × 120,488
  4. Step 4: Simplify right side
    55,888x = 14,517,358,144
  5. Step 5: Solve for x
    x = 14,517,358,144/55,888
  6. Step 6: Final answer
    x = 259,758.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.