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Finding the Third Proportional to 65,630 and 98,425

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Solution

The third proportional to 65,630 and 98,425 is: 147,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630 : 98,425 = 98,425 : x
  2. Step 2: Convert to fraction form
    65,630/98,425 = 98,425/x
  3. Step 3: Cross multiply
    65,630x = 98,425 × 98,425
  4. Step 4: Simplify right side
    65,630x = 9,687,480,625
  5. Step 5: Solve for x
    x = 9,687,480,625/65,630
  6. Step 6: Final answer
    x = 147,607.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.