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Finding the Third Proportional to 120,008 and 262,624

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Solution

The third proportional to 120,008 and 262,624 is: 574,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,008 : 262,624 = 262,624 : x
  2. Step 2: Convert to fraction form
    120,008/262,624 = 262,624/x
  3. Step 3: Cross multiply
    120,008x = 262,624 × 262,624
  4. Step 4: Simplify right side
    120,008x = 68,971,365,376
  5. Step 5: Solve for x
    x = 68,971,365,376/120,008
  6. Step 6: Final answer
    x = 574,723.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.