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Finding the Third Proportional to 64,924.31 and 101,487.09

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Solution

The third proportional to 64,924.31 and 101,487.09 is: 158,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,924.31 : 101,487.09 = 101,487.09 : x
  2. Step 2: Convert to fraction form
    64,924.31/101,487.09 = 101,487.09/x
  3. Step 3: Cross multiply
    64,924.31x = 101,487.09 × 101,487.09
  4. Step 4: Simplify right side
    64,924.31x = 10,299,630,197.82
  5. Step 5: Solve for x
    x = 10,299,630,197.82/64,924.31
  6. Step 6: Final answer
    x = 158,640.57

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.