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Finding the Third Proportional to 56,210 and 120,673

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Solution

The third proportional to 56,210 and 120,673 is: 259,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210 : 120,673 = 120,673 : x
  2. Step 2: Convert to fraction form
    56,210/120,673 = 120,673/x
  3. Step 3: Cross multiply
    56,210x = 120,673 × 120,673
  4. Step 4: Simplify right side
    56,210x = 14,561,972,929
  5. Step 5: Solve for x
    x = 14,561,972,929/56,210
  6. Step 6: Final answer
    x = 259,063.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.