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Finding the Third Proportional to 56,197 and 120,391

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Solution

The third proportional to 56,197 and 120,391 is: 257,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197 : 120,391 = 120,391 : x
  2. Step 2: Convert to fraction form
    56,197/120,391 = 120,391/x
  3. Step 3: Cross multiply
    56,197x = 120,391 × 120,391
  4. Step 4: Simplify right side
    56,197x = 14,493,992,881
  5. Step 5: Solve for x
    x = 14,493,992,881/56,197
  6. Step 6: Final answer
    x = 257,914.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.