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Finding the Third Proportional to 63,427.22 and 139,409.44

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Solution

The third proportional to 63,427.22 and 139,409.44 is: 306,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,427.22 : 139,409.44 = 139,409.44 : x
  2. Step 2: Convert to fraction form
    63,427.22/139,409.44 = 139,409.44/x
  3. Step 3: Cross multiply
    63,427.22x = 139,409.44 × 139,409.44
  4. Step 4: Simplify right side
    63,427.22x = 19,434,991,264.07
  5. Step 5: Solve for x
    x = 19,434,991,264.07/63,427.22
  6. Step 6: Final answer
    x = 306,414.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.