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Finding the Third Proportional to 64,908 and 97,843

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Solution

The third proportional to 64,908 and 97,843 is: 147,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,908 : 97,843 = 97,843 : x
  2. Step 2: Convert to fraction form
    64,908/97,843 = 97,843/x
  3. Step 3: Cross multiply
    64,908x = 97,843 × 97,843
  4. Step 4: Simplify right side
    64,908x = 9,573,252,649
  5. Step 5: Solve for x
    x = 9,573,252,649/64,908
  6. Step 6: Final answer
    x = 147,489.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.