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Finding the Third Proportional to 64,908 and 134,748

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Solution

The third proportional to 64,908 and 134,748 is: 279,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,908 : 134,748 = 134,748 : x
  2. Step 2: Convert to fraction form
    64,908/134,748 = 134,748/x
  3. Step 3: Cross multiply
    64,908x = 134,748 × 134,748
  4. Step 4: Simplify right side
    64,908x = 18,157,023,504
  5. Step 5: Solve for x
    x = 18,157,023,504/64,908
  6. Step 6: Final answer
    x = 279,734.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.