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Finding the Third Proportional to 122,913 and 264,510

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Solution

The third proportional to 122,913 and 264,510 is: 569,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,913 : 264,510 = 264,510 : x
  2. Step 2: Convert to fraction form
    122,913/264,510 = 264,510/x
  3. Step 3: Cross multiply
    122,913x = 264,510 × 264,510
  4. Step 4: Simplify right side
    122,913x = 69,965,540,100
  5. Step 5: Solve for x
    x = 69,965,540,100/122,913
  6. Step 6: Final answer
    x = 569,228.15

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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.