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Finding the Third Proportional to 63,168 and 140,349

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Solution

The third proportional to 63,168 and 140,349 is: 311,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,168 : 140,349 = 140,349 : x
  2. Step 2: Convert to fraction form
    63,168/140,349 = 140,349/x
  3. Step 3: Cross multiply
    63,168x = 140,349 × 140,349
  4. Step 4: Simplify right side
    63,168x = 19,697,841,801
  5. Step 5: Solve for x
    x = 19,697,841,801/63,168
  6. Step 6: Final answer
    x = 311,832.60

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.