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Finding the Third Proportional to 55,256 and 119,340

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Solution

The third proportional to 55,256 and 119,340 is: 257,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256 : 119,340 = 119,340 : x
  2. Step 2: Convert to fraction form
    55,256/119,340 = 119,340/x
  3. Step 3: Cross multiply
    55,256x = 119,340 × 119,340
  4. Step 4: Simplify right side
    55,256x = 14,242,035,600
  5. Step 5: Solve for x
    x = 14,242,035,600/55,256
  6. Step 6: Final answer
    x = 257,746.41

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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.