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Finding the Third Proportional to 64,708 and 141,444

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Solution

The third proportional to 64,708 and 141,444 is: 309,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,708 : 141,444 = 141,444 : x
  2. Step 2: Convert to fraction form
    64,708/141,444 = 141,444/x
  3. Step 3: Cross multiply
    64,708x = 141,444 × 141,444
  4. Step 4: Simplify right side
    64,708x = 20,006,405,136
  5. Step 5: Solve for x
    x = 20,006,405,136/64,708
  6. Step 6: Final answer
    x = 309,179.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.