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Finding the Third Proportional to 122,711 and 264,754

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Solution

The third proportional to 122,711 and 264,754 is: 571,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711 : 264,754 = 264,754 : x
  2. Step 2: Convert to fraction form
    122,711/264,754 = 264,754/x
  3. Step 3: Cross multiply
    122,711x = 264,754 × 264,754
  4. Step 4: Simplify right side
    122,711x = 70,094,680,516
  5. Step 5: Solve for x
    x = 70,094,680,516/122,711
  6. Step 6: Final answer
    x = 571,217.58

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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.