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Finding the Third Proportional to 68,626.50 and 148,707.50

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Solution

The third proportional to 68,626.50 and 148,707.50 is: 322,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,626.50 : 148,707.50 = 148,707.50 : x
  2. Step 2: Convert to fraction form
    68,626.50/148,707.50 = 148,707.50/x
  3. Step 3: Cross multiply
    68,626.50x = 148,707.50 × 148,707.50
  4. Step 4: Simplify right side
    68,626.50x = 22,113,920,556.25
  5. Step 5: Solve for x
    x = 22,113,920,556.25/68,626.50
  6. Step 6: Final answer
    x = 322,235.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.