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Finding the Third Proportional to 123,111 and 265,059

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Solution

The third proportional to 123,111 and 265,059 is: 570,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,111 : 265,059 = 265,059 : x
  2. Step 2: Convert to fraction form
    123,111/265,059 = 265,059/x
  3. Step 3: Cross multiply
    123,111x = 265,059 × 265,059
  4. Step 4: Simplify right side
    123,111x = 70,256,273,481
  5. Step 5: Solve for x
    x = 70,256,273,481/123,111
  6. Step 6: Final answer
    x = 570,674.22

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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.