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Finding the Third Proportional to 120,924 and 262,556

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Solution

The third proportional to 120,924 and 262,556 is: 570,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,924 : 262,556 = 262,556 : x
  2. Step 2: Convert to fraction form
    120,924/262,556 = 262,556/x
  3. Step 3: Cross multiply
    120,924x = 262,556 × 262,556
  4. Step 4: Simplify right side
    120,924x = 68,935,653,136
  5. Step 5: Solve for x
    x = 68,935,653,136/120,924
  6. Step 6: Final answer
    x = 570,074.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.