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Finding the Third Proportional to 61,256 and 134,928

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Solution

The third proportional to 61,256 and 134,928 is: 297,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256 : 134,928 = 134,928 : x
  2. Step 2: Convert to fraction form
    61,256/134,928 = 134,928/x
  3. Step 3: Cross multiply
    61,256x = 134,928 × 134,928
  4. Step 4: Simplify right side
    61,256x = 18,205,565,184
  5. Step 5: Solve for x
    x = 18,205,565,184/61,256
  6. Step 6: Final answer
    x = 297,204.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.