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Finding the Third Proportional to 122,768 and 264,868

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Solution

The third proportional to 122,768 and 264,868 is: 571,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,768 : 264,868 = 264,868 : x
  2. Step 2: Convert to fraction form
    122,768/264,868 = 264,868/x
  3. Step 3: Cross multiply
    122,768x = 264,868 × 264,868
  4. Step 4: Simplify right side
    122,768x = 70,155,057,424
  5. Step 5: Solve for x
    x = 70,155,057,424/122,768
  6. Step 6: Final answer
    x = 571,444.17

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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.