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Finding the Third Proportional to 122,722 and 264,776

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Solution

The third proportional to 122,722 and 264,776 is: 571,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,722 : 264,776 = 264,776 : x
  2. Step 2: Convert to fraction form
    122,722/264,776 = 264,776/x
  3. Step 3: Cross multiply
    122,722x = 264,776 × 264,776
  4. Step 4: Simplify right side
    122,722x = 70,106,330,176
  5. Step 5: Solve for x
    x = 70,106,330,176/122,722
  6. Step 6: Final answer
    x = 571,261.31

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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.