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Finding the Third Proportional to 29,292 and 40,279.50

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Solution

The third proportional to 29,292 and 40,279.50 is: 55,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292 : 40,279.50 = 40,279.50 : x
  2. Step 2: Convert to fraction form
    29,292/40,279.50 = 40,279.50/x
  3. Step 3: Cross multiply
    29,292x = 40,279.50 × 40,279.50
  4. Step 4: Simplify right side
    29,292x = 1,622,438,120.25
  5. Step 5: Solve for x
    x = 1,622,438,120.25/29,292
  6. Step 6: Final answer
    x = 55,388.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.