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Finding the Third Proportional to 120,773 and 262,323

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Solution

The third proportional to 120,773 and 262,323 is: 569,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,773 : 262,323 = 262,323 : x
  2. Step 2: Convert to fraction form
    120,773/262,323 = 262,323/x
  3. Step 3: Cross multiply
    120,773x = 262,323 × 262,323
  4. Step 4: Simplify right side
    120,773x = 68,813,356,329
  5. Step 5: Solve for x
    x = 68,813,356,329/120,773
  6. Step 6: Final answer
    x = 569,774.34

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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.