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Finding the Third Proportional to 64,964 and 99,174

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Solution

The third proportional to 64,964 and 99,174 is: 151,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,964 : 99,174 = 99,174 : x
  2. Step 2: Convert to fraction form
    64,964/99,174 = 99,174/x
  3. Step 3: Cross multiply
    64,964x = 99,174 × 99,174
  4. Step 4: Simplify right side
    64,964x = 9,835,482,276
  5. Step 5: Solve for x
    x = 9,835,482,276/64,964
  6. Step 6: Final answer
    x = 151,398.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.