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Finding the Third Proportional to 98,627 and 161,031

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Solution

The third proportional to 98,627 and 161,031 is: 262,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,627 : 161,031 = 161,031 : x
  2. Step 2: Convert to fraction form
    98,627/161,031 = 161,031/x
  3. Step 3: Cross multiply
    98,627x = 161,031 × 161,031
  4. Step 4: Simplify right side
    98,627x = 25,930,982,961
  5. Step 5: Solve for x
    x = 25,930,982,961/98,627
  6. Step 6: Final answer
    x = 262,919.72

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.