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Finding the Third Proportional to 120,454.88 and 262,356.75

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Solution

The third proportional to 120,454.88 and 262,356.75 is: 571,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,454.88 : 262,356.75 = 262,356.75 : x
  2. Step 2: Convert to fraction form
    120,454.88/262,356.75 = 262,356.75/x
  3. Step 3: Cross multiply
    120,454.88x = 262,356.75 × 262,356.75
  4. Step 4: Simplify right side
    120,454.88x = 68,831,064,270.56
  5. Step 5: Solve for x
    x = 68,831,064,270.56/120,454.88
  6. Step 6: Final answer
    x = 571,426.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.