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Finding the Third Proportional to 239,661 and 526,434

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Solution

The third proportional to 239,661 and 526,434 is: 1,156,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,661 : 526,434 = 526,434 : x
  2. Step 2: Convert to fraction form
    239,661/526,434 = 526,434/x
  3. Step 3: Cross multiply
    239,661x = 526,434 × 526,434
  4. Step 4: Simplify right side
    239,661x = 277,132,756,356
  5. Step 5: Solve for x
    x = 277,132,756,356/239,661
  6. Step 6: Final answer
    x = 1,156,353.17

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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.