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Finding the Third Proportional to 125,692 and 264,309

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Solution

The third proportional to 125,692 and 264,309 is: 555,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,692 : 264,309 = 264,309 : x
  2. Step 2: Convert to fraction form
    125,692/264,309 = 264,309/x
  3. Step 3: Cross multiply
    125,692x = 264,309 × 264,309
  4. Step 4: Simplify right side
    125,692x = 69,859,247,481
  5. Step 5: Solve for x
    x = 69,859,247,481/125,692
  6. Step 6: Final answer
    x = 555,797.09

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.