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Finding the Third Proportional to 64,744 and 138,484

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Solution

The third proportional to 64,744 and 138,484 is: 296,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,744 : 138,484 = 138,484 : x
  2. Step 2: Convert to fraction form
    64,744/138,484 = 138,484/x
  3. Step 3: Cross multiply
    64,744x = 138,484 × 138,484
  4. Step 4: Simplify right side
    64,744x = 19,177,818,256
  5. Step 5: Solve for x
    x = 19,177,818,256/64,744
  6. Step 6: Final answer
    x = 296,209.97

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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.