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Finding the Third Proportional to 56,943 and 122,310

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Solution

The third proportional to 56,943 and 122,310 is: 262,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943 : 122,310 = 122,310 : x
  2. Step 2: Convert to fraction form
    56,943/122,310 = 122,310/x
  3. Step 3: Cross multiply
    56,943x = 122,310 × 122,310
  4. Step 4: Simplify right side
    56,943x = 14,959,736,100
  5. Step 5: Solve for x
    x = 14,959,736,100/56,943
  6. Step 6: Final answer
    x = 262,714.22

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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.