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Finding the Third Proportional to 64,961 and 97,869

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Solution

The third proportional to 64,961 and 97,869 is: 147,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,961 : 97,869 = 97,869 : x
  2. Step 2: Convert to fraction form
    64,961/97,869 = 97,869/x
  3. Step 3: Cross multiply
    64,961x = 97,869 × 97,869
  4. Step 4: Simplify right side
    64,961x = 9,578,341,161
  5. Step 5: Solve for x
    x = 9,578,341,161/64,961
  6. Step 6: Final answer
    x = 147,447.56

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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.