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Finding the Third Proportional to 63,655.88 and 139,553.44

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Solution

The third proportional to 63,655.88 and 139,553.44 is: 305,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,655.88 : 139,553.44 = 139,553.44 : x
  2. Step 2: Convert to fraction form
    63,655.88/139,553.44 = 139,553.44/x
  3. Step 3: Cross multiply
    63,655.88x = 139,553.44 × 139,553.44
  4. Step 4: Simplify right side
    63,655.88x = 19,475,161,918.07
  5. Step 5: Solve for x
    x = 19,475,161,918.07/63,655.88
  6. Step 6: Final answer
    x = 305,944.45

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.