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Finding the Third Proportional to 72,244 and 96,630

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Solution

The third proportional to 72,244 and 96,630 is: 129,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,244 : 96,630 = 96,630 : x
  2. Step 2: Convert to fraction form
    72,244/96,630 = 96,630/x
  3. Step 3: Cross multiply
    72,244x = 96,630 × 96,630
  4. Step 4: Simplify right side
    72,244x = 9,337,356,900
  5. Step 5: Solve for x
    x = 9,337,356,900/72,244
  6. Step 6: Final answer
    x = 129,247.51

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.