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Finding the Third Proportional to 64,369 and 141,825

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Solution

The third proportional to 64,369 and 141,825 is: 312,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369 : 141,825 = 141,825 : x
  2. Step 2: Convert to fraction form
    64,369/141,825 = 141,825/x
  3. Step 3: Cross multiply
    64,369x = 141,825 × 141,825
  4. Step 4: Simplify right side
    64,369x = 20,114,330,625
  5. Step 5: Solve for x
    x = 20,114,330,625/64,369
  6. Step 6: Final answer
    x = 312,484.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.