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Finding the Third Proportional to 64,158 and 98,742

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Solution

The third proportional to 64,158 and 98,742 is: 151,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158 : 98,742 = 98,742 : x
  2. Step 2: Convert to fraction form
    64,158/98,742 = 98,742/x
  3. Step 3: Cross multiply
    64,158x = 98,742 × 98,742
  4. Step 4: Simplify right side
    64,158x = 9,749,982,564
  5. Step 5: Solve for x
    x = 9,749,982,564/64,158
  6. Step 6: Final answer
    x = 151,968.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.