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Finding the Third Proportional to 121,607.50 and 260,027

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Solution

The third proportional to 121,607.50 and 260,027 is: 556,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,607.50 : 260,027 = 260,027 : x
  2. Step 2: Convert to fraction form
    121,607.50/260,027 = 260,027/x
  3. Step 3: Cross multiply
    121,607.50x = 260,027 × 260,027
  4. Step 4: Simplify right side
    121,607.50x = 67,614,040,729
  5. Step 5: Solve for x
    x = 67,614,040,729/121,607.50
  6. Step 6: Final answer
    x = 556,002.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.