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Finding the Third Proportional to 63,649.88 and 139,530.75

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Solution

The third proportional to 63,649.88 and 139,530.75 is: 305,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.88 : 139,530.75 = 139,530.75 : x
  2. Step 2: Convert to fraction form
    63,649.88/139,530.75 = 139,530.75/x
  3. Step 3: Cross multiply
    63,649.88x = 139,530.75 × 139,530.75
  4. Step 4: Simplify right side
    63,649.88x = 19,468,830,195.56
  5. Step 5: Solve for x
    x = 19,468,830,195.56/63,649.88
  6. Step 6: Final answer
    x = 305,873.82

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Why These Related Problems?

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