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Finding the Third Proportional to 139,006.88 and 302,961.75

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Solution

The third proportional to 139,006.88 and 302,961.75 is: 660,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,006.88 : 302,961.75 = 302,961.75 : x
  2. Step 2: Convert to fraction form
    139,006.88/302,961.75 = 302,961.75/x
  3. Step 3: Cross multiply
    139,006.88x = 302,961.75 × 302,961.75
  4. Step 4: Simplify right side
    139,006.88x = 91,785,821,963.06
  5. Step 5: Solve for x
    x = 91,785,821,963.06/139,006.88
  6. Step 6: Final answer
    x = 660,297.00

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.